Merge branch 'WIP'

app/build.gradle

@@ -1,6 +1,6 @@
 apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-kapt'
 
 kapt {
@@ -16,6 +16,7 @@ android {
     defaultConfig {
         applicationId 'com.topjohnwu.magisk'
         vectorDrawables.useSupportLibrary = true
+        multiDexEnabled true
         versionName configProps['appVersion']
         versionCode configProps['appVersionCode'] as Integer
         javaCompileOptions {
@@ -30,6 +31,10 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
+
+    dataBinding {
+        enabled = true
+    }
 }
 
 dependencies {
@@ -37,25 +42,19 @@ dependencies {
     implementation project(':net')
     implementation project(':shared')
     implementation project(':signing')
+
     implementation 'com.github.topjohnwu:jtar:1.0.0'
     implementation 'net.sourceforge.streamsupport:android-retrostreams:1.7.0'
     implementation 'com.github.sevar83:indeterminate-checkbox:1.0.5'
+    implementation 'com.jakewharton.timber:timber:4.7.1'
+    implementation 'com.github.skoumalcz:teanity:0.3.3'
+    implementation 'com.ncapdevi:frag-nav:3.2.0'
 
     def markwonVersion = '3.0.0'
     implementation "ru.noties.markwon:core:${markwonVersion}"
     implementation "ru.noties.markwon:html:${markwonVersion}"
     implementation "ru.noties.markwon:image-svg:${markwonVersion}"
 
-    def androidXVersion = "1.0.0"
-    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    implementation 'androidx.appcompat:appcompat:1.0.2'
-    implementation "androidx.preference:preference:${androidXVersion}"
-    implementation "androidx.recyclerview:recyclerview:${androidXVersion}"
-    implementation "androidx.cardview:cardview:${androidXVersion}"
-    implementation "com.google.android.material:material:${androidXVersion}"
-    implementation 'androidx.work:work-runtime:2.0.1'
-    implementation 'androidx.transition:transition:1.1.0-beta01'
-
     def libsuVersion = '2.5.0'
     implementation "com.github.topjohnwu.libsu:core:${libsuVersion}"
     implementation "com.github.topjohnwu.libsu:io:${libsuVersion}"
@@ -63,4 +62,19 @@ dependencies {
     def butterKnifeVersion = '10.1.0'
     implementation "com.jakewharton:butterknife-runtime:${butterKnifeVersion}"
     kapt "com.jakewharton:butterknife-compiler:${butterKnifeVersion}"
+
+    def koin = "2.0.0-rc-2"
+    implementation "org.koin:koin-core:${koin}"
+    implementation "org.koin:koin-android:${koin}"
+    implementation "org.koin:koin-androidx-viewmodel:${koin}"
+
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'androidx.appcompat:appcompat:1.0.2'
+    implementation 'androidx.preference:preference:1.0.0'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0-alpha04'
+    implementation 'androidx.cardview:cardview:1.0.0'
+    implementation 'com.google.android.material:material:1.1.0-alpha05'
+    implementation 'androidx.work:work-runtime:2.0.1'
+    implementation 'androidx.transition:transition:1.1.0-beta01'
+    implementation 'androidx.multidex:multidex:2.0.1'
 }

app/proguard-rules.pro

@@ -29,6 +29,11 @@
   void onResponse(int);
 }
 
+# Keep all fragment constructors
+-keepclassmembers class * extends androidx.fragment.app.Fragment {
+  public <init>(...);
+}
+
 # DelegateWorker
 -keep,allowobfuscation class * extends com.topjohnwu.magisk.model.worker.DelegateWorker
 

app/src/main/AndroidManifest.xml

@@ -11,7 +11,7 @@
     <application
         android:allowBackup="true"
         android:name="a.e"
-        android:theme="@style/AppTheme"
+        android:theme="@style/MagiskTheme"
         android:usesCleartextTraffic="true"
         tools:ignore="UnusedAttribute,GoogleAppIndexingWarning">
 
@@ -35,7 +35,7 @@
             android:name="a.f"
             android:configChanges="keyboardHidden|orientation|screenSize"
             android:screenOrientation="nosensor"
-            android:theme="@style/AppTheme.NoDrawer" />
+            android:theme="@style/MagiskTheme.Flashing" />
 
         <!-- Superuser -->
 
@@ -44,7 +44,7 @@
             android:exported="false"
             android:directBootAware="true"
             android:excludeFromRecents="true"
-            android:theme="@style/SuRequest" />
+            android:theme="@style/MagiskTheme.SU" />
 
         <!-- Receiver -->
 
@@ -74,4 +74,4 @@
 
     </application>
 
-</manifest>
+</manifest>

app/src/main/java/com/topjohnwu/magisk/App.java

@@ -1,101 +0,0 @@
-package com.topjohnwu.magisk;
-
-import android.app.Activity;
-import android.app.Application;
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.content.res.Configuration;
-import android.os.AsyncTask;
-import android.os.Build;
-import android.os.Bundle;
-import android.preference.PreferenceManager;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.appcompat.app.AppCompatDelegate;
-
-import com.topjohnwu.magisk.data.database.MagiskDB;
-import com.topjohnwu.magisk.data.database.RepoDatabaseHelper;
-import com.topjohnwu.magisk.ui.base.BaseActivity;
-import com.topjohnwu.magisk.utils.LocaleManager;
-import com.topjohnwu.magisk.utils.RootUtils;
-import com.topjohnwu.net.Networking;
-import com.topjohnwu.superuser.Shell;
-
-import java.util.concurrent.ThreadPoolExecutor;
-
-public class App extends Application implements Application.ActivityLifecycleCallbacks {
-
-    public static App self;
-    public static Context deContext;
-    public static ThreadPoolExecutor THREAD_POOL;
-
-    // Global resources
-    public SharedPreferences prefs;
-    public MagiskDB mDB;
-    public RepoDatabaseHelper repoDB;
-    private volatile BaseActivity foreground;
-
-    static {
-        AppCompatDelegate.setCompatVectorFromResourcesEnabled(true);
-        Shell.Config.setFlags(Shell.FLAG_MOUNT_MASTER | Shell.FLAG_USE_MAGISK_BUSYBOX);
-        Shell.Config.verboseLogging(BuildConfig.DEBUG);
-        Shell.Config.addInitializers(RootUtils.class);
-        Shell.Config.setTimeout(2);
-        THREAD_POOL = (ThreadPoolExecutor) AsyncTask.THREAD_POOL_EXECUTOR;
-    }
-
-    @Override
-    protected void attachBaseContext(Context base) {
-        super.attachBaseContext(base);
-        self = this;
-        deContext = base;
-        registerActivityLifecycleCallbacks(this);
-
-        if (Build.VERSION.SDK_INT >= 24) {
-            deContext = base.createDeviceProtectedStorageContext();
-            deContext.moveSharedPreferencesFrom(base,
-                    PreferenceManager.getDefaultSharedPreferencesName(base));
-        }
-        prefs = PreferenceManager.getDefaultSharedPreferences(deContext);
-        mDB = new MagiskDB(base);
-
-        Networking.init(base);
-        LocaleManager.setLocale(this);
-    }
-
-    @Override
-    public void onConfigurationChanged(@NonNull Configuration newConfig) {
-        super.onConfigurationChanged(newConfig);
-        LocaleManager.setLocale(this);
-    }
-
-    public static BaseActivity foreground() {
-        return self.foreground;
-    }
-
-    @Override
-    public void onActivityCreated(@NonNull Activity activity, @Nullable Bundle bundle) {}
-
-    @Override
-    public void onActivityStarted(@NonNull Activity activity) {}
-
-    @Override
-    public synchronized void onActivityResumed(@NonNull Activity activity) {
-        foreground = (BaseActivity) activity;
-    }
-
-    @Override
-    public synchronized void onActivityPaused(@NonNull Activity activity) {
-        foreground = null;
-    }
-
-    @Override
-    public void onActivityStopped(@NonNull Activity activity) {}
-
-    @Override
-    public void onActivitySaveInstanceState(@NonNull Activity activity, @NonNull Bundle bundle) {}
-
-    @Override
-    public void onActivityDestroyed(@NonNull Activity activity) {}
-}

app/src/main/java/com/topjohnwu/magisk/App.kt

@@ -0,0 +1,129 @@
+package com.topjohnwu.magisk
+
+import android.annotation.SuppressLint
+import android.app.Activity
+import android.app.Application
+import android.content.Context
+import android.content.SharedPreferences
+import android.content.res.Configuration
+import android.os.AsyncTask
+import android.os.Build
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatDelegate
+import androidx.multidex.MultiDex
+import com.topjohnwu.magisk.data.database.MagiskDB
+import com.topjohnwu.magisk.data.database.RepoDatabaseHelper
+import com.topjohnwu.magisk.di.koinModules
+import com.topjohnwu.magisk.utils.LocaleManager
+import com.topjohnwu.magisk.utils.RootUtils
+import com.topjohnwu.magisk.utils.inject
+import com.topjohnwu.net.Networking
+import com.topjohnwu.superuser.Shell
+import org.koin.android.ext.android.inject
+import org.koin.android.ext.koin.androidContext
+import org.koin.core.context.startKoin
+import timber.log.Timber
+import java.util.concurrent.ThreadPoolExecutor
+
+open class App : Application(), Application.ActivityLifecycleCallbacks {
+
+    lateinit var protectedContext: Context
+
+    @Deprecated("Use dependency injection")
+    val prefs: SharedPreferences by inject()
+    @Deprecated("Use dependency injection")
+    val DB: MagiskDB by inject()
+    @Deprecated("Use dependency injection")
+    val repoDB: RepoDatabaseHelper by inject()
+
+    @Volatile
+    private var foreground: Activity? = null
+
+    override fun attachBaseContext(base: Context) {
+        super.attachBaseContext(base)
+        MultiDex.install(base)
+        Timber.plant(Timber.DebugTree())
+
+        startKoin {
+            androidContext(this@App)
+            modules(koinModules)
+        }
+
+        protectedContext = baseContext
+        self = this
+        deContext = base
+
+        if (Build.VERSION.SDK_INT >= 24) {
+            protectedContext = base.createDeviceProtectedStorageContext()
+            deContext = protectedContext
+            deContext.moveSharedPreferencesFrom(base, base.defaultPrefsName)
+        }
+
+        registerActivityLifecycleCallbacks(this)
+
+        Networking.init(base)
+        LocaleManager.setLocale(this)
+    }
+
+    override fun onConfigurationChanged(newConfig: Configuration) {
+        super.onConfigurationChanged(newConfig)
+        LocaleManager.setLocale(this)
+    }
+
+    //region ActivityLifecycleCallbacks
+    override fun onActivityCreated(activity: Activity, bundle: Bundle?) {}
+
+    override fun onActivityStarted(activity: Activity) {}
+
+    @Synchronized
+    override fun onActivityResumed(activity: Activity) {
+        foreground = activity
+    }
+
+    @Synchronized
+    override fun onActivityPaused(activity: Activity) {
+        foreground = null
+    }
+
+    override fun onActivityStopped(activity: Activity) {}
+
+    override fun onActivitySaveInstanceState(activity: Activity, bundle: Bundle) {}
+
+    override fun onActivityDestroyed(activity: Activity) {}
+    //endregion
+
+    private val Context.defaultPrefsName get() = "${packageName}_preferences"
+
+    companion object {
+
+        @SuppressLint("StaticFieldLeak")
+        @Deprecated("Use dependency injection")
+        @JvmStatic
+        lateinit var self: App
+
+        @SuppressLint("StaticFieldLeak")
+        @Deprecated("Use dependency injection; replace with protectedContext")
+        @JvmStatic
+        lateinit var deContext: Context
+
+        @Deprecated("Use Rx or similar")
+        @JvmField
+        var THREAD_POOL: ThreadPoolExecutor
+
+        init {
+            AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
+            Shell.Config.setFlags(Shell.FLAG_MOUNT_MASTER or Shell.FLAG_USE_MAGISK_BUSYBOX)
+            Shell.Config.verboseLogging(BuildConfig.DEBUG)
+            Shell.Config.addInitializers(RootUtils::class.java)
+            Shell.Config.setTimeout(2)
+            THREAD_POOL = AsyncTask.THREAD_POOL_EXECUTOR as ThreadPoolExecutor
+        }
+
+        @Deprecated("")
+        @JvmStatic
+        fun foreground(): Activity? {
+            val app: App by inject()
+            return app.foreground
+        }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/Config.java

@@ -3,8 +3,6 @@ package com.topjohnwu.magisk;
 import android.content.SharedPreferences;
 import android.util.Xml;
 
-import androidx.collection.ArrayMap;
-
 import com.topjohnwu.magisk.utils.Utils;
 import com.topjohnwu.superuser.Shell;
 import com.topjohnwu.superuser.ShellUtils;
@@ -17,6 +15,8 @@ import org.xmlpull.v1.XmlPullParserException;
 import java.io.File;
 import java.io.IOException;
 
+import androidx.collection.ArrayMap;
+
 public class Config {
 
     // Current status
@@ -109,14 +109,14 @@ public class Config {
     public static void export() {
         // Flush prefs to disk
         App app = App.self;
-        app.prefs.edit().commit();
+        app.getPrefs().edit().commit();
         File xml = new File(App.deContext.getFilesDir().getParent() + "/shared_prefs",
                 app.getPackageName() + "_preferences.xml");
         Shell.su(Utils.fmt("cat %s > /data/adb/%s", xml, Const.MANAGER_CONFIGS)).exec();
     }
 
     public static void initialize() {
-        SharedPreferences pref = App.self.prefs;
+        SharedPreferences pref = App.self.getPrefs();
         SharedPreferences.Editor editor = pref.edit();
         File config = SuFile.open("/data/adb", Const.MANAGER_CONFIGS);
         if (config.exists()) {
@@ -238,19 +238,19 @@ public class Config {
         App app = App.self;
         switch (getConfigType(key)) {
             case PREF_INT:
-                return (T) (Integer) app.prefs.getInt(key, getDef(key));
+                return (T) (Integer) app.getPrefs().getInt(key, getDef(key));
             case PREF_STR_INT:
-                return (T) (Integer) Utils.getPrefsInt(app.prefs, key, getDef(key));
+                return (T) (Integer) Utils.getPrefsInt(app.getPrefs(), key, getDef(key));
             case PREF_BOOL:
-                return (T) (Boolean) app.prefs.getBoolean(key, getDef(key));
+                return (T) (Boolean) app.getPrefs().getBoolean(key, getDef(key));
             case PREF_STR:
-                return (T) app.prefs.getString(key, getDef(key));
+                return (T) app.getPrefs().getString(key, getDef(key));
             case DB_INT:
-                return (T) (Integer) app.mDB.getSettings(key, getDef(key));
+                return (T) (Integer) app.getDB().getSettings(key, getDef(key));
             case DB_BOOL:
-                return (T) (Boolean) (app.mDB.getSettings(key, getDef(key) ? 1 : 0) != 0);
+                return (T) (Boolean) (app.getDB().getSettings(key, getDef(key) ? 1 : 0) != 0);
             case DB_STR:
-                return (T) app.mDB.getStrings(key, getDef(key));
+                return (T) app.getDB().getStrings(key, getDef(key));
         }
         /* Will never get here (IllegalArgumentException in getConfigType) */
         return null;
@@ -260,25 +260,25 @@ public class Config {
         App app = App.self;
         switch (getConfigType(key)) {
             case PREF_INT:
-                app.prefs.edit().putInt(key, (int) val).apply();
+                app.getPrefs().edit().putInt(key, (int) val).apply();
                 break;
             case PREF_STR_INT:
-                app.prefs.edit().putString(key, String.valueOf(val)).apply();
+                app.getPrefs().edit().putString(key, String.valueOf(val)).apply();
                 break;
             case PREF_BOOL:
-                app.prefs.edit().putBoolean(key, (boolean) val).apply();
+                app.getPrefs().edit().putBoolean(key, (boolean) val).apply();
                 break;
             case PREF_STR:
-                app.prefs.edit().putString(key, (String) val).apply();
+                app.getPrefs().edit().putString(key, (String) val).apply();
                 break;
             case DB_INT:
-                app.mDB.setSettings(key, (int) val);
+                app.getDB().setSettings(key, (int) val);
                 break;
             case DB_BOOL:
-                app.mDB.setSettings(key, (boolean) val ? 1 : 0);
+                app.getDB().setSettings(key, (boolean) val ? 1 : 0);
                 break;
             case DB_STR:
-                app.mDB.setStrings(key, (String) val);
+                app.getDB().setStrings(key, (String) val);
                 break;
         }
     }
@@ -290,14 +290,14 @@ public class Config {
             case PREF_STR_INT:
             case PREF_BOOL:
             case PREF_STR:
-                app.prefs.edit().remove(key).apply();
+                app.getPrefs().edit().remove(key).apply();
                 break;
             case DB_BOOL:
             case DB_INT:
-                app.mDB.rmSettings(key);
+                app.getDB().rmSettings(key);
                 break;
             case DB_STR:
-                app.mDB.setStrings(key, null);
+                app.getDB().setStrings(key, null);
                 break;
         }
     }
@@ -365,13 +365,13 @@ public class Config {
             switch (type) {
                 case DB_INT:
                     editor.putString(key, String.valueOf(
-                            app.mDB.getSettings(key, (Integer) defs.get(key))));
+                            app.getDB().getSettings(key, (Integer) defs.get(key))));
                     continue;
                 case DB_STR:
-                    editor.putString(key, app.mDB.getStrings(key, (String) defs.get(key)));
+                    editor.putString(key, app.getDB().getStrings(key, (String) defs.get(key)));
                     continue;
                 case DB_BOOL:
-                    int bs = app.mDB.getSettings(key, -1);
+                    int bs = app.getDB().getSettings(key, -1);
                     editor.putBoolean(key, bs < 0 ? (Boolean) defs.get(key) : bs != 0);
                     continue;
             }

app/src/main/java/com/topjohnwu/magisk/Const.java

@@ -35,6 +35,9 @@ public class Const {
 
     public static final int USER_ID = Process.myUid() / 100000;
 
+    // Generic
+    public static final String MAGISK_INSTALL_LOG_FILENAME = "magisk_install_log_%s.log";
+
     public static final class MAGISK_VER {
         public static final int MIN_SUPPORT = 18000;
     }

app/src/main/java/com/topjohnwu/magisk/di/ApplicationModule.kt

@@ -0,0 +1,20 @@
+package com.topjohnwu.magisk.di
+
+import android.content.Context
+import androidx.preference.PreferenceManager
+import com.skoumal.teanity.rxbus.RxBus
+import com.topjohnwu.magisk.App
+import org.koin.dsl.module
+
+
+val applicationModule = module {
+    single { RxBus() }
+    single { get<Context>().resources }
+    single { get<Context>() as App }
+    single { get<Context>().packageManager }
+    single(SUTimeout) {
+        get<App>().protectedContext
+            .getSharedPreferences("su_timeout", 0)
+    }
+    single { PreferenceManager.getDefaultSharedPreferences(get<App>().protectedContext) }
+}

app/src/main/java/com/topjohnwu/magisk/di/DatabaseModule.kt

@@ -0,0 +1,12 @@
+package com.topjohnwu.magisk.di
+
+import com.topjohnwu.magisk.App
+import com.topjohnwu.magisk.data.database.MagiskDB
+import com.topjohnwu.magisk.data.database.RepoDatabaseHelper
+import org.koin.dsl.module
+
+
+val databaseModule = module {
+    single { MagiskDB(get<App>().protectedContext) }
+    single { RepoDatabaseHelper(get()) }
+}

app/src/main/java/com/topjohnwu/magisk/di/MiscModule.kt

@@ -0,0 +1,10 @@
+package com.topjohnwu.magisk.di
+
+import org.koin.dsl.module
+
+
+val miscModule = module {
+
+    // define miscs here
+
+}

app/src/main/java/com/topjohnwu/magisk/di/Modules.kt

@@ -0,0 +1,10 @@
+package com.topjohnwu.magisk.di
+
+val koinModules = listOf(
+    applicationModule,
+    networkingModule,
+    databaseModule,
+    repositoryModule,
+    viewModelModules,
+    miscModule
+)

app/src/main/java/com/topjohnwu/magisk/di/NamedInjection.kt

@@ -0,0 +1,5 @@
+package com.topjohnwu.magisk.di
+
+import org.koin.core.qualifier.named
+
+val SUTimeout = named("su_timeout")

app/src/main/java/com/topjohnwu/magisk/di/NetworkingModule.kt

@@ -0,0 +1,6 @@
+package com.topjohnwu.magisk.di
+
+import org.koin.dsl.module
+
+
+val networkingModule = module {}

app/src/main/java/com/topjohnwu/magisk/di/RepositoryModule.kt

@@ -0,0 +1,6 @@
+package com.topjohnwu.magisk.di
+
+import org.koin.dsl.module
+
+
+val repositoryModule = module {}

app/src/main/java/com/topjohnwu/magisk/di/ViewModelsModule.kt

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.di
+
+import android.content.Intent
+import android.net.Uri
+import com.topjohnwu.magisk.ui.MainViewModel
+import com.topjohnwu.magisk.ui.flash.FlashViewModel
+import com.topjohnwu.magisk.ui.hide.HideViewModel
+import com.topjohnwu.magisk.ui.home.HomeViewModel
+import com.topjohnwu.magisk.ui.log.LogViewModel
+import com.topjohnwu.magisk.ui.module.ModuleViewModel
+import com.topjohnwu.magisk.ui.superuser.SuperuserViewModel
+import com.topjohnwu.magisk.ui.surequest.SuRequestViewModel
+import com.topjohnwu.magisk.ui.surequest._SuRequestViewModel
+import org.koin.androidx.viewmodel.dsl.viewModel
+import org.koin.dsl.module
+
+
+val viewModelModules = module {
+    viewModel { MainViewModel() }
+    viewModel { HomeViewModel(get(), get()) }
+    viewModel { SuperuserViewModel(get(), get(), get(), get()) }
+    viewModel { HideViewModel(get(), get()) }
+    viewModel { ModuleViewModel(get(), get()) }
+    viewModel { LogViewModel(get(), get()) }
+    viewModel { (action: String, uri: Uri?) -> FlashViewModel(action, uri, get()) }
+    viewModel { (intent: Intent, action: String?) ->
+        _SuRequestViewModel(intent, action.orEmpty(), get(), get())
+    }
+    viewModel { SuRequestViewModel(get(), get(), get(SUTimeout), get()) }
+}

app/src/main/java/com/topjohnwu/magisk/model/adapters/ApplicationAdapter.java

@@ -1,427 +0,0 @@
-package com.topjohnwu.magisk.model.adapters;
-
-import android.content.Context;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.ComponentInfo;
-import android.content.pm.PackageInfo;
-import android.content.pm.PackageManager;
-import android.os.AsyncTask;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.CheckBox;
-import android.widget.ImageView;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.annotation.WorkerThread;
-import androidx.collection.ArraySet;
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.buildware.widget.indeterm.IndeterminateCheckBox;
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.utils.Event;
-import com.topjohnwu.magisk.utils.Utils;
-import com.topjohnwu.magisk.view.ArrowExpandable;
-import com.topjohnwu.magisk.view.Expandable;
-import com.topjohnwu.superuser.Shell;
-import com.topjohnwu.superuser.internal.UiThreadHandler;
-
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-import java.util.Set;
-
-import butterknife.BindView;
-import java9.util.Comparators;
-import java9.util.Lists;
-import java9.util.Objects;
-import java9.util.Sets;
-import java9.util.stream.Collectors;
-import java9.util.stream.Stream;
-import java9.util.stream.StreamSupport;
-
-public class ApplicationAdapter extends SectionedAdapter
-        <ApplicationAdapter.AppViewHolder, ApplicationAdapter.ProcessViewHolder> {
-
-    private static final String SAFETYNET_PROCESS = "com.google.android.gms.unstable";
-    private static final String GMS_PACKAGE = "com.google.android.gms";
-    private static boolean old_hide = false;
-
-    /* A list of apps that should not be shown as hide-able */
-    private static final List<String> HIDE_BLACKLIST = Lists.of(
-            App.self.getPackageName(),
-            "android",
-            "com.android.chrome",
-            "com.chrome.beta",
-            "com.chrome.dev",
-            "com.chrome.canary",
-            "com.android.webview",
-            "com.google.android.webview"
-    );
-    private static final List<String> DEFAULT_HIDELIST = Lists.of(
-            SAFETYNET_PROCESS
-    );
-
-    private static int BOTTOM_MARGIN = -1;
-
-    private List<HideAppInfo> fullList, showList;
-    private List<HideTarget> hideList;
-    private PackageManager pm;
-    private boolean showSystem;
-
-    public ApplicationAdapter(Context context) {
-        fullList = showList = Collections.emptyList();
-        hideList = Collections.emptyList();
-        pm = context.getPackageManager();
-        showSystem = Config.get(Config.Key.SHOW_SYSTEM_APP);
-        AsyncTask.SERIAL_EXECUTOR.execute(this::loadApps);
-    }
-
-    private static ViewGroup.MarginLayoutParams getMargins(RecyclerView.ViewHolder vh) {
-        return (ViewGroup.MarginLayoutParams) vh.itemView.getLayoutParams();
-    }
-
-    @Override
-    public int getSectionCount() {
-        return showList.size();
-    }
-
-    @Override
-    public int getItemCount(int section) {
-        HideAppInfo app = showList.get(section);
-        return app.expanded ? app.processList.size() : 0;
-    }
-
-    @Override
-    public AppViewHolder onCreateSectionViewHolder(ViewGroup parent) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_hide_app, parent, false);
-        AppViewHolder vh = new AppViewHolder(v);
-        if (BOTTOM_MARGIN < 0)
-            BOTTOM_MARGIN = getMargins(vh).bottomMargin;
-        return vh;
-    }
-
-    @Override
-    public ProcessViewHolder onCreateItemViewHolder(ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_hide_process, parent, false);
-        return new ProcessViewHolder(v);
-    }
-
-    @Override
-    public void onBindSectionViewHolder(AppViewHolder holder, int section) {
-        HideAppInfo app = showList.get(section);
-        holder.app_name.setText(app.name);
-        holder.app_icon.setImageDrawable(app.info.loadIcon(pm));
-        holder.package_name.setText(app.info.packageName);
-        holder.checkBox.setOnStateChangedListener(null);
-        holder.checkBox.setState(app.getState());
-        holder.ex.setExpanded(app.expanded);
-
-        int index = getItemPosition(section, 0);
-        holder.checkBox.setOnStateChangedListener((IndeterminateCheckBox box, @Nullable Boolean status) -> {
-            if (status != null) {
-                setHide(status, app);
-                if (app.expanded)
-                    notifyItemRangeChanged(index, app.processList.size());
-            }
-        });
-
-        if (app.processList.size() > 1) {
-            holder.arrow.setVisibility(View.VISIBLE);
-
-            holder.trigger.setOnClickListener((v) -> {
-                if (app.expanded) {
-                    app.expanded = false;
-                    notifyItemRangeRemoved(index, app.processList.size());
-                    holder.ex.collapse();
-                } else {
-                    app.expanded = true;
-                    notifyItemRangeInserted(index, app.processList.size());
-                    holder.ex.expand();
-                }
-            });
-        } else {
-            holder.arrow.setVisibility(View.GONE);
-            holder.trigger.setOnClickListener(null);
-        }
-
-    }
-
-    @Override
-    public void onBindItemViewHolder(ProcessViewHolder holder, int section, int position) {
-        HideAppInfo app = showList.get(section);
-        HideProcessInfo target = app.processList.get(position);
-        holder.process.setText(target.name);
-        holder.checkbox.setOnCheckedChangeListener(null);
-        holder.checkbox.setChecked(target.hidden);
-        holder.checkbox.setOnCheckedChangeListener((v, checked) -> {
-            setHide(checked, app, target);
-            notifyItemChanged(getSectionPosition(section));
-        });
-        getMargins(holder).bottomMargin =
-                position == app.processList.size() - 1 ? BOTTOM_MARGIN : 0;
-    }
-
-    public void filter(String constraint) {
-        AsyncTask.SERIAL_EXECUTOR.execute(() -> {
-            Stream<HideAppInfo> s = StreamSupport.stream(fullList)
-                    .filter(this::systemFilter)
-                    .filter(t -> nameFilter(t, constraint));
-            UiThreadHandler.run(() -> {
-                showList = s.collect(Collectors.toList());
-                notifyDataSetChanged();
-            });
-        });
-    }
-
-    public void setShowSystem(boolean b) {
-        showSystem = b;
-    }
-
-    public void refresh() {
-        AsyncTask.SERIAL_EXECUTOR.execute(this::loadApps);
-    }
-
-    private void setHide(boolean add, HideAppInfo app) {
-        if (add) {
-            StreamSupport.stream(app.processList).forEach(p -> setHide(true, app, p));
-        } else {
-            if (StreamSupport.stream(app.processList)
-                    .anyMatch(p -> p.name.equals(SAFETYNET_PROCESS))) {
-                StreamSupport.stream(app.processList).forEach(p -> setHide(false, app, p));
-            } else {
-                // Quick removal
-                Shell.su("magiskhide --rm " + app.info.packageName).submit();
-                StreamSupport.stream(app.processList).forEach(p -> p.hidden = false);
-            }
-        }
-    }
-
-    private void setHide(boolean add, HideAppInfo app, HideProcessInfo process) {
-        // Don't remove SafetyNet
-        if (!add && DEFAULT_HIDELIST.contains(process.name))
-            return;
-        Shell.su(Utils.fmt("magiskhide --%s %s %s", add ? "add" : "rm",
-                app.info.packageName, process.name)).submit();
-        process.hidden = add;
-    }
-
-    private void addProcesses(Set<String> set, ComponentInfo[] infos) {
-        if (infos != null)
-            for (ComponentInfo info : infos)
-                set.add(info.processName);
-    }
-
-    private PackageInfo getPackageInfo(String pkg) {
-        // Try super hard to get as much info as possible
-        try {
-            return pm.getPackageInfo(pkg,
-                    PackageManager.GET_ACTIVITIES | PackageManager.GET_SERVICES |
-                            PackageManager.GET_RECEIVERS | PackageManager.GET_PROVIDERS);
-        } catch (Exception e1) {
-            try {
-                PackageInfo info = pm.getPackageInfo(pkg, PackageManager.GET_ACTIVITIES);
-                info.services = pm.getPackageInfo(pkg, PackageManager.GET_SERVICES).services;
-                info.receivers = pm.getPackageInfo(pkg, PackageManager.GET_RECEIVERS).receivers;
-                info.providers = pm.getPackageInfo(pkg, PackageManager.GET_PROVIDERS).providers;
-                return info;
-            } catch (Exception e2) {
-                return null;
-            }
-        }
-    }
-
-    @WorkerThread
-    private void loadApps() {
-        hideList = StreamSupport.stream(Shell.su("magiskhide --ls").exec().getOut())
-                .map(HideTarget::new)
-                .collect(Collectors.toList());
-
-        fullList = StreamSupport.stream(pm.getInstalledApplications(0))
-                .filter(info -> !HIDE_BLACKLIST.contains(info.packageName) && info.enabled)
-                .map(info -> {
-                    if (old_hide) {
-                        return new HideAppInfo(info, Sets.of(info.packageName));
-                    } else {
-                        Set<String> set = new ArraySet<>();
-                        PackageInfo pkg = getPackageInfo(info.packageName);
-                        if (pkg != null) {
-                            addProcesses(set, pkg.activities);
-                            addProcesses(set, pkg.services);
-                            addProcesses(set, pkg.receivers);
-                            addProcesses(set, pkg.providers);
-                        }
-                        if (set.isEmpty())
-                            return null;
-                        return new HideAppInfo(info, set);
-                    }
-                }).filter(Objects::nonNull).sorted()
-                .collect(Collectors.toList());
-
-        Event.trigger(false, Event.MAGISK_HIDE_DONE);
-    }
-
-    // True if not system app or user already hidden it
-    private boolean systemFilter(HideAppInfo target) {
-        return showSystem || target.haveHidden() ||
-                (target.info.flags & ApplicationInfo.FLAG_SYSTEM) == 0;
-    }
-
-    private boolean contains(String s, String filter) {
-        return s.toLowerCase().contains(filter);
-    }
-
-    private boolean nameFilter(HideAppInfo target, String filter) {
-        if (filter == null || filter.isEmpty())
-            return true;
-        filter = filter.toLowerCase();
-        if (contains(target.name, filter))
-            return true;
-        for (HideProcessInfo p : target.processList) {
-            if (contains(p.name, filter))
-                return true;
-        }
-        return contains(target.info.packageName, filter);
-    }
-
-    class HideAppInfo implements Comparable<HideAppInfo> {
-        String name;
-        ApplicationInfo info;
-        List<HideProcessInfo> processList;
-        boolean expanded;
-        IndeterminateCheckBox.OnStateChangedListener listener;
-
-        HideAppInfo(ApplicationInfo appInfo, Set<String> set) {
-            info = appInfo;
-            name = Utils.getAppLabel(info, pm);
-            expanded = false;
-            processList = StreamSupport.stream(set)
-                    .map(process -> new HideProcessInfo(info.packageName, process))
-                    .sorted().collect(Collectors.toList());
-            listener = (IndeterminateCheckBox box, @Nullable Boolean status) -> {
-                if (status != null) {
-                    for (HideProcessInfo p : processList) {
-                        String cmd = Utils.fmt("magiskhide --%s %s %s",
-                                status ? "add" : "rm", info.packageName, p.name);
-                        Shell.su(cmd).submit();
-                        p.hidden = status;
-                    }
-                }
-            };
-        }
-
-        @Override
-        public int compareTo(HideAppInfo o) {
-            Comparator<HideAppInfo> c;
-            c = Comparators.comparing(HideAppInfo::haveHidden);
-            c = Comparators.reversed(c);
-            c = Comparators.thenComparing(c, t -> t.name, String::compareToIgnoreCase);
-            c = Comparators.thenComparing(c, t -> t.info.packageName);
-            return c.compare(this, o);
-        }
-
-        Boolean getState() {
-            boolean all = true;
-            boolean hidden = false;
-            for (HideProcessInfo p : processList) {
-                if (!p.hidden)
-                    all = false;
-                else
-                    hidden = true;
-            }
-            if (all)
-                return true;
-            return hidden ? null : false;
-        }
-
-        boolean haveHidden() {
-            Boolean c = getState();
-            return c == null ? true : c;
-        }
-    }
-
-    class HideProcessInfo implements Comparable<HideProcessInfo> {
-        String name;
-        boolean hidden;
-
-        HideProcessInfo(String pkg, String process) {
-            this.name = process;
-            for (HideTarget t : hideList) {
-                if (t.pkg.equals(pkg) && t.process.equals(process)) {
-                    hidden = true;
-                    break;
-                }
-            }
-        }
-
-        @Override
-        public int compareTo(HideProcessInfo o) {
-            Comparator<HideProcessInfo> c;
-            c = Comparators.comparing((HideProcessInfo t) -> t.hidden);
-            c = Comparators.reversed(c);
-            c = Comparators.thenComparing(c, t -> t.name);
-            return c.compare(this, o);
-        }
-    }
-
-    class HideTarget {
-        String pkg;
-        String process;
-
-        HideTarget(String line) {
-            String[] split = line.split("\\|", 2);
-            pkg = split[0];
-            if (split.length == 2) {
-                process = split[1];
-            } else {
-                // Backwards compatibility
-                old_hide = true;
-                process = pkg;
-            }
-        }
-    }
-
-    class AppViewHolder extends RecyclerView.ViewHolder {
-
-        @BindView(R.id.app_icon) ImageView app_icon;
-        @BindView(R.id.app_name) TextView app_name;
-        @BindView(R.id.package_name) TextView package_name;
-        @BindView(R.id.checkbox) IndeterminateCheckBox checkBox;
-        @BindView(R.id.trigger) View trigger;
-        @BindView(R.id.arrow) ImageView arrow;
-
-        Expandable ex;
-
-        AppViewHolder(@NonNull View itemView) {
-            super(itemView);
-            new ApplicationAdapter$AppViewHolder_ViewBinding(this, itemView);
-            ex = new ArrowExpandable(new Expandable() {
-                @Override
-                protected void onExpand() {
-                    getMargins(AppViewHolder.this).bottomMargin = 0;
-                }
-
-                @Override
-                protected void onCollapse() {
-                    getMargins(AppViewHolder.this).bottomMargin = BOTTOM_MARGIN;
-                }
-            }, arrow);
-        }
-    }
-
-    class ProcessViewHolder extends RecyclerView.ViewHolder {
-
-        @BindView(R.id.process) TextView process;
-        @BindView(R.id.checkbox) CheckBox checkbox;
-
-        ProcessViewHolder(@NonNull View itemView) {
-            super(itemView);
-            new ApplicationAdapter$ProcessViewHolder_ViewBinding(this, itemView);
-        }
-    }
-
-}

app/src/main/java/com/topjohnwu/magisk/model/adapters/ModulesAdapter.java

@@ -1,127 +0,0 @@
-package com.topjohnwu.magisk.model.adapters;
-
-import android.content.Context;
-import android.text.TextUtils;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.CheckBox;
-import android.widget.ImageView;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.google.android.material.snackbar.Snackbar;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.model.entity.Module;
-import com.topjohnwu.magisk.view.SnackbarMaker;
-import com.topjohnwu.superuser.Shell;
-
-import java.util.List;
-
-import butterknife.BindView;
-
-public class ModulesAdapter extends RecyclerView.Adapter<ModulesAdapter.ViewHolder> {
-
-    private final List<Module> mList;
-
-    public ModulesAdapter(List<Module> list) {
-        mList = list;
-    }
-
-    @NonNull
-    @Override
-    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_module, parent, false);
-        return new ViewHolder(view);
-    }
-
-    @Override
-    public void onBindViewHolder(final ViewHolder holder, int position) {
-        Context context = holder.itemView.getContext();
-        final Module module = mList.get(position);
-
-        String version = module.getVersion();
-        String author = module.getAuthor();
-        String description = module.getDescription();
-        String noInfo = context.getString(R.string.no_info_provided);
-
-        holder.title.setText(module.getName());
-        holder.versionName.setText(TextUtils.isEmpty(version) ? noInfo : version);
-        holder.author.setText(TextUtils.isEmpty(author) ? noInfo : context.getString(R.string.author, author));
-        holder.description.setText(TextUtils.isEmpty(description) ? noInfo : description);
-
-        holder.checkBox.setOnCheckedChangeListener(null);
-        holder.checkBox.setChecked(module.isEnabled());
-        holder.checkBox.setOnCheckedChangeListener((v, isChecked) -> {
-            int snack;
-            if (isChecked) {
-                module.removeDisableFile();
-                snack = R.string.disable_file_removed;
-            } else {
-                module.createDisableFile();
-                snack = R.string.disable_file_created;
-            }
-            SnackbarMaker.make(holder.itemView, snack, Snackbar.LENGTH_SHORT).show();
-        });
-
-        holder.delete.setOnClickListener(v -> {
-            boolean removed = module.willBeRemoved();
-            int snack;
-            if (removed) {
-                module.deleteRemoveFile();
-                snack = R.string.remove_file_deleted;
-            } else {
-                module.createRemoveFile();
-                snack = R.string.remove_file_created;
-            }
-            SnackbarMaker.make(holder.itemView, snack, Snackbar.LENGTH_SHORT).show();
-            updateDeleteButton(holder, module);
-        });
-
-        if (module.isUpdated()) {
-            holder.notice.setVisibility(View.VISIBLE);
-            holder.notice.setText(R.string.update_file_created);
-            holder.delete.setEnabled(false);
-        } else {
-            updateDeleteButton(holder, module);
-        }
-    }
-
-    private void updateDeleteButton(ViewHolder holder, Module module) {
-        holder.notice.setVisibility(module.willBeRemoved() ? View.VISIBLE : View.GONE);
-
-        if (module.willBeRemoved()) {
-            holder.delete.setImageResource(R.drawable.ic_undelete);
-        } else {
-            holder.delete.setImageResource(R.drawable.ic_delete);
-        }
-    }
-
-    @Override
-    public int getItemCount() {
-        return mList.size();
-    }
-
-    static class ViewHolder extends RecyclerView.ViewHolder {
-
-        @BindView(R.id.title) TextView title;
-        @BindView(R.id.version_name) TextView versionName;
-        @BindView(R.id.description) TextView description;
-        @BindView(R.id.notice) TextView notice;
-        @BindView(R.id.checkbox) CheckBox checkBox;
-        @BindView(R.id.author) TextView author;
-        @BindView(R.id.delete) ImageView delete;
-
-        ViewHolder(View itemView) {
-            super(itemView);
-            new ModulesAdapter$ViewHolder_ViewBinding(this, itemView);
-
-            if (!Shell.rootAccess()) {
-                checkBox.setEnabled(false);
-                delete.setEnabled(false);
-            }
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/adapters/PolicyAdapter.java

@@ -1,172 +0,0 @@
-package com.topjohnwu.magisk.model.adapters;
-
-import android.app.Activity;
-import android.content.DialogInterface;
-import android.content.pm.PackageManager;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ImageView;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.appcompat.widget.SwitchCompat;
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.google.android.material.snackbar.Snackbar;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.data.database.MagiskDB;
-import com.topjohnwu.magisk.model.entity.Policy;
-import com.topjohnwu.magisk.utils.FingerprintHelper;
-import com.topjohnwu.magisk.view.ArrowExpandable;
-import com.topjohnwu.magisk.view.Expandable;
-import com.topjohnwu.magisk.view.ExpandableViewHolder;
-import com.topjohnwu.magisk.view.SnackbarMaker;
-import com.topjohnwu.magisk.view.dialogs.CustomAlertDialog;
-import com.topjohnwu.magisk.view.dialogs.FingerprintAuthDialog;
-
-import java.util.List;
-
-import butterknife.BindView;
-
-public class PolicyAdapter extends RecyclerView.Adapter<PolicyAdapter.ViewHolder> {
-
-    private List<Policy> policyList;
-    private MagiskDB dbHelper;
-    private PackageManager pm;
-    private boolean[] expandList;
-
-    public PolicyAdapter(List<Policy> list, MagiskDB db, PackageManager pm) {
-        policyList = list;
-        expandList = new boolean[policyList.size()];
-        dbHelper = db;
-        this.pm = pm;
-    }
-
-    @NonNull
-    @Override
-    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_policy, parent, false);
-        return new ViewHolder(v);
-    }
-
-    @Override
-    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
-        Policy policy = policyList.get(position);
-
-        holder.settings.setExpanded(expandList[position]);
-        holder.trigger.setOnClickListener(view -> {
-            if (holder.settings.isExpanded()) {
-                holder.settings.collapse();
-                expandList[position] = false;
-            } else {
-                holder.settings.expand();
-                expandList[position] = true;
-            }
-        });
-
-        holder.appName.setText(policy.appName);
-        holder.packageName.setText(policy.packageName);
-        holder.appIcon.setImageDrawable(policy.info.loadIcon(pm));
-
-        holder.notificationSwitch.setOnCheckedChangeListener(null);
-        holder.loggingSwitch.setOnCheckedChangeListener(null);
-
-        holder.masterSwitch.setChecked(policy.policy == Policy.ALLOW);
-        holder.notificationSwitch.setChecked(policy.notification);
-        holder.loggingSwitch.setChecked(policy.logging);
-
-        holder.masterSwitch.setOnClickListener(v -> {
-            boolean isChecked = holder.masterSwitch.isChecked();
-            Runnable r = () -> {
-                if ((isChecked && policy.policy == Policy.DENY) ||
-                        (!isChecked && policy.policy == Policy.ALLOW)) {
-                    policy.policy = isChecked ? Policy.ALLOW : Policy.DENY;
-                    String message = v.getContext().getString(
-                            isChecked ? R.string.su_snack_grant : R.string.su_snack_deny, policy.appName);
-                    SnackbarMaker.make(holder.itemView, message, Snackbar.LENGTH_SHORT).show();
-                    dbHelper.updatePolicy(policy);
-                }
-            };
-            if (FingerprintHelper.useFingerprint()) {
-                holder.masterSwitch.setChecked(!isChecked);
-                new FingerprintAuthDialog((Activity) v.getContext(), () -> {
-                    holder.masterSwitch.setChecked(isChecked);
-                    r.run();
-                }).show();
-            } else {
-                r.run();
-            }
-        });
-        holder.notificationSwitch.setOnCheckedChangeListener((v, isChecked) -> {
-            if ((isChecked && !policy.notification) ||
-                    (!isChecked && policy.notification)) {
-                policy.notification = isChecked;
-                String message = v.getContext().getString(
-                        isChecked ? R.string.su_snack_notif_on : R.string.su_snack_notif_off, policy.appName);
-                SnackbarMaker.make(holder.itemView, message, Snackbar.LENGTH_SHORT).show();
-                dbHelper.updatePolicy(policy);
-            }
-        });
-        holder.loggingSwitch.setOnCheckedChangeListener((v, isChecked) -> {
-            if ((isChecked && !policy.logging) ||
-                    (!isChecked && policy.logging)) {
-                policy.logging = isChecked;
-                String message = v.getContext().getString(
-                        isChecked ? R.string.su_snack_log_on : R.string.su_snack_log_off, policy.appName);
-                SnackbarMaker.make(holder.itemView, message, Snackbar.LENGTH_SHORT).show();
-                dbHelper.updatePolicy(policy);
-            }
-        });
-        holder.delete.setOnClickListener(v -> {
-            DialogInterface.OnClickListener l = (dialog, which) -> {
-                policyList.remove(position);
-                notifyItemRemoved(position);
-                notifyItemRangeChanged(position, policyList.size());
-                SnackbarMaker.make(holder.itemView, v.getContext().getString(R.string.su_snack_revoke, policy.appName),
-                        Snackbar.LENGTH_SHORT).show();
-                dbHelper.deletePolicy(policy);
-            };
-            if (FingerprintHelper.useFingerprint()) {
-                new FingerprintAuthDialog((Activity) v.getContext(),
-                        () -> l.onClick(null, 0)).show();
-            } else {
-                new CustomAlertDialog((Activity) v.getContext())
-                        .setTitle(R.string.su_revoke_title)
-                        .setMessage(v.getContext().getString(R.string.su_revoke_msg, policy.appName))
-                        .setPositiveButton(R.string.yes, l)
-                        .setNegativeButton(R.string.no_thanks, null)
-                        .setCancelable(true)
-                        .show();
-            }
-        });
-    }
-
-    @Override
-    public int getItemCount() {
-        return policyList.size();
-    }
-
-    static class ViewHolder extends RecyclerView.ViewHolder {
-
-        @BindView(R.id.app_name) TextView appName;
-        @BindView(R.id.package_name) TextView packageName;
-        @BindView(R.id.app_icon) ImageView appIcon;
-        @BindView(R.id.master_switch) SwitchCompat masterSwitch;
-        @BindView(R.id.notification_switch) SwitchCompat notificationSwitch;
-        @BindView(R.id.logging_switch) SwitchCompat loggingSwitch;
-        @BindView(R.id.expand_layout) ViewGroup expandLayout;
-        @BindView(R.id.arrow) ImageView arrow;
-        @BindView(R.id.trigger) View trigger;
-        @BindView(R.id.delete) ImageView delete;
-        @BindView(R.id.more_info) ImageView moreInfo;
-
-        Expandable settings;
-
-        public ViewHolder(View itemView) {
-            super(itemView);
-            new PolicyAdapter$ViewHolder_ViewBinding(this, itemView);
-            settings = new ArrowExpandable(new ExpandableViewHolder(expandLayout), arrow);
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/adapters/ReposAdapter.java

@@ -1,246 +0,0 @@
-package com.topjohnwu.magisk.model.adapters;
-
-import android.content.Context;
-import android.content.Intent;
-import android.database.Cursor;
-import android.os.Build;
-import android.text.TextUtils;
-import android.util.Pair;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ImageView;
-import android.widget.SearchView;
-import android.widget.TextView;
-
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.ClassMap;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.data.database.RepoDatabaseHelper;
-import com.topjohnwu.magisk.model.download.DownloadModuleService;
-import com.topjohnwu.magisk.model.entity.Module;
-import com.topjohnwu.magisk.model.entity.Repo;
-import com.topjohnwu.magisk.ui.base.BaseActivity;
-import com.topjohnwu.magisk.utils.Event;
-import com.topjohnwu.magisk.view.MarkDownWindow;
-import com.topjohnwu.magisk.view.dialogs.CustomAlertDialog;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-
-import butterknife.BindView;
-import java9.util.stream.StreamSupport;
-
-public class ReposAdapter
-        extends SectionedAdapter<ReposAdapter.SectionHolder, ReposAdapter.RepoHolder>
-        implements Event.AutoListener, SearchView.OnQueryTextListener {
-
-    private static final int UPDATES = 0;
-    private static final int INSTALLED = 1;
-    private static final int OTHERS = 2;
-
-    private Map<String, Module> moduleMap;
-    private RepoDatabaseHelper repoDB;
-    private List<Pair<Integer, List<Repo>>> repoPairs;
-    private List<Repo> fullList;
-    private SearchView mSearch;
-
-    public ReposAdapter() {
-        repoDB = App.self.repoDB;
-        moduleMap = Collections.emptyMap();
-        fullList = Collections.emptyList();
-        repoPairs = new ArrayList<>();
-    }
-
-    @Override
-    public int getSectionCount() {
-        return repoPairs.size();
-    }
-
-    @Override
-    public int getItemCount(int section) {
-        return repoPairs.get(section).second.size();
-    }
-
-    @Override
-    public SectionHolder onCreateSectionViewHolder(ViewGroup parent) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.section, parent, false);
-        return new SectionHolder(v);
-    }
-
-    @Override
-    public RepoHolder onCreateItemViewHolder(ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_repo, parent, false);
-        return new RepoHolder(v);
-    }
-
-    @Override
-    public void onBindSectionViewHolder(SectionHolder holder, int section) {
-        switch (repoPairs.get(section).first) {
-            case UPDATES:
-                holder.sectionText.setText(R.string.update_available);
-                break;
-            case INSTALLED:
-                holder.sectionText.setText(R.string.installed);
-                break;
-            case OTHERS:
-                holder.sectionText.setText(R.string.not_installed);
-                break;
-        }
-    }
-
-    @Override
-    public void onBindItemViewHolder(RepoHolder holder, int section, int position) {
-        Repo repo = repoPairs.get(section).second.get(position);
-        Context context = holder.itemView.getContext();
-
-        String name = repo.getName();
-        String version = repo.getVersion();
-        String author = repo.getAuthor();
-        String description = repo.getDescription();
-        String noInfo = context.getString(R.string.no_info_provided);
-
-        holder.title.setText(TextUtils.isEmpty(name) ? noInfo : name);
-        holder.versionName.setText(TextUtils.isEmpty(version) ? noInfo : version);
-        holder.author.setText(TextUtils.isEmpty(author) ? noInfo : context.getString(R.string.author, author));
-        holder.description.setText(TextUtils.isEmpty(description) ? noInfo : description);
-        holder.updateTime.setText(context.getString(R.string.updated_on, repo.getLastUpdateString()));
-
-        holder.infoLayout.setOnClickListener(v ->
-                MarkDownWindow.show((BaseActivity) context, null, repo.getDetailUrl()));
-
-        holder.downloadImage.setOnClickListener(v -> {
-            new CustomAlertDialog((BaseActivity) context)
-                .setTitle(context.getString(R.string.repo_install_title, repo.getName()))
-                .setMessage(context.getString(R.string.repo_install_msg, repo.getDownloadFilename()))
-                .setCancelable(true)
-                .setPositiveButton(R.string.install, (d, i) ->
-                        startDownload((BaseActivity) context, repo, true))
-                .setNeutralButton(R.string.download, (d, i) ->
-                        startDownload((BaseActivity) context, repo, false))
-                .setNegativeButton(R.string.no_thanks, null)
-                .show();
-        });
-    }
-
-    private void startDownload(BaseActivity activity, Repo repo, Boolean install) {
-        activity.runWithExternalRW(() -> {
-            Intent intent = new Intent(activity, ClassMap.get(DownloadModuleService.class))
-                    .putExtra("repo", repo).putExtra("install", install);
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-                activity.startForegroundService(intent);
-            } else {
-                activity.startService(intent);
-            }
-        });
-    }
-
-    private void updateLists() {
-        if (mSearch != null)
-            onQueryTextChange(mSearch.getQuery().toString());
-        else
-            onQueryTextChange("");
-    }
-
-    private static boolean noCaseContain(String a, String b) {
-        return a.toLowerCase().contains(b.toLowerCase());
-    }
-
-    public void setSearchView(SearchView view) {
-        mSearch = view;
-        mSearch.setOnQueryTextListener(this);
-    }
-
-    public void notifyDBChanged(boolean refresh) {
-        try (Cursor c = repoDB.getRepoCursor()) {
-            fullList = new ArrayList<>(c.getCount());
-            while (c.moveToNext())
-                fullList.add(new Repo(c));
-        }
-        if (refresh)
-            updateLists();
-    }
-
-    @Override
-    public void onEvent(int event) {
-        moduleMap = Event.getResult(event);
-        updateLists();
-    }
-
-    @Override
-    public int[] getListeningEvents() {
-        return new int[] {Event.MODULE_LOAD_DONE};
-    }
-
-    @Override
-    public boolean onQueryTextSubmit(String query) {
-        return false;
-    }
-
-    @Override
-    public boolean onQueryTextChange(String s) {
-        List<Repo> updates = new ArrayList<>();
-        List<Repo> installed = new ArrayList<>();
-        List<Repo> others = new ArrayList<>();
-
-        StreamSupport.stream(fullList)
-                .filter(repo -> noCaseContain(repo.getName(), s)
-                        || noCaseContain(repo.getAuthor(), s)
-                        || noCaseContain(repo.getDescription(), s))
-                .forEach(repo -> {
-                    Module module = moduleMap.get(repo.getId());
-                    if (module != null) {
-                        if (repo.getVersionCode() > module.getVersionCode()) {
-                            // Updates
-                            updates.add(repo);
-                        } else {
-                            installed.add(repo);
-                        }
-                    } else {
-                        others.add(repo);
-                    }
-                });
-
-        repoPairs.clear();
-        if (!updates.isEmpty())
-            repoPairs.add(new Pair<>(UPDATES, updates));
-        if (!installed.isEmpty())
-            repoPairs.add(new Pair<>(INSTALLED, installed));
-        if (!others.isEmpty())
-            repoPairs.add(new Pair<>(OTHERS, others));
-
-        notifyDataSetChanged();
-        return false;
-    }
-
-    static class SectionHolder extends RecyclerView.ViewHolder {
-
-        @BindView(R.id.section_text) TextView sectionText;
-
-        SectionHolder(View itemView) {
-            super(itemView);
-            new ReposAdapter$SectionHolder_ViewBinding(this, itemView);
-        }
-    }
-
-    static class RepoHolder extends RecyclerView.ViewHolder {
-
-        @BindView(R.id.title) TextView title;
-        @BindView(R.id.version_name) TextView versionName;
-        @BindView(R.id.description) TextView description;
-        @BindView(R.id.author) TextView author;
-        @BindView(R.id.info_layout) View infoLayout;
-        @BindView(R.id.download) ImageView downloadImage;
-        @BindView(R.id.update_time) TextView updateTime;
-
-        RepoHolder(View itemView) {
-            super(itemView);
-            new ReposAdapter$RepoHolder_ViewBinding(this, itemView);
-        }
-
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/adapters/SectionedAdapter.java

@@ -1,96 +0,0 @@
-package com.topjohnwu.magisk.model.adapters;
-
-import android.view.ViewGroup;
-
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView;
-
-public abstract class SectionedAdapter<S extends RecyclerView.ViewHolder, C extends RecyclerView.ViewHolder>
-        extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
-
-    private static final int SECTION_TYPE = Integer.MIN_VALUE;
-
-    @NonNull
-    @Override
-    final public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        if (viewType == SECTION_TYPE)
-            return onCreateSectionViewHolder(parent);
-        return onCreateItemViewHolder(parent, viewType);
-    }
-
-    @Override
-    @SuppressWarnings("unchecked")
-    final public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
-        PositionInfo info = getPositionInfo(position);
-        if (info.position == -1)
-            onBindSectionViewHolder((S) holder, info.section);
-        else
-            onBindItemViewHolder((C) holder, info.section, info.position);
-    }
-
-    @Override
-    final public int getItemCount() {
-        int size, sec;
-        size = sec = getSectionCount();
-        for (int i = 0; i < sec; ++i){
-            size += getItemCount(i);
-        }
-        return size;
-    }
-
-    @Override
-    final public int getItemViewType(int position) {
-        PositionInfo info = getPositionInfo(position);
-        if (info.position == -1)
-            return SECTION_TYPE;
-        else
-            return getItemViewType(info.section, info.position);
-    }
-
-    public int getItemViewType(int section, int position) {
-        return 0;
-    }
-
-    protected int getSectionPosition(int section) {
-        return getItemPosition(section, -1);
-    }
-
-    protected int getItemPosition(int section, int position) {
-        int realPosition = 0;
-        // Previous sections
-        for (int i = 0; i < section; ++i) {
-            realPosition += getItemCount(i) + 1;
-        }
-        // Current section
-        realPosition += position + 1;
-        return realPosition;
-    }
-
-    private PositionInfo getPositionInfo(int position) {
-        int section = 0;
-        while (true) {
-            if (position == 0)
-                return new PositionInfo(section, -1);
-            position -= 1;
-            if (position < getItemCount(section))
-                return new PositionInfo(section, position);
-            position -= getItemCount(section++);
-        }
-    }
-
-    private static class PositionInfo {
-        int section;
-        int position;
-        PositionInfo(int section, int position) {
-            this.section = section;
-            this.position = position;
-        }
-    }
-
-    public abstract int getSectionCount();
-    public abstract int getItemCount(int section);
-    public abstract S onCreateSectionViewHolder(ViewGroup parent);
-    public abstract C onCreateItemViewHolder(ViewGroup parent, int viewType);
-    public abstract void onBindSectionViewHolder(S holder, int section);
-    public abstract void onBindItemViewHolder(C holder, int section, int position);
-}

app/src/main/java/com/topjohnwu/magisk/model/adapters/StringListAdapter.java

@@ -1,103 +0,0 @@
-package com.topjohnwu.magisk.model.adapters;
-
-import android.app.Activity;
-import android.util.DisplayMetrics;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-
-import androidx.annotation.IdRes;
-import androidx.annotation.LayoutRes;
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView;
-
-import java.util.List;
-
-public abstract class StringListAdapter<VH extends StringListAdapter.ViewHolder>
-        extends RecyclerView.Adapter<VH> {
-
-    private RecyclerView rv;
-    private boolean dynamic;
-    private int screenWidth;
-    private int txtWidth = -1;
-    private int padding;
-
-    protected List<String> mList;
-
-    public StringListAdapter(List<String> list) {
-        this(list, false);
-    }
-
-    public StringListAdapter(List<String> list, boolean isDynamic) {
-        mList = list;
-        dynamic = isDynamic;
-    }
-
-    @NonNull
-    @Override
-    public final VH onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(itemLayoutRes(), parent, false);
-        VH vh = createViewHolder(v);
-        if (txtWidth < 0)
-            onUpdateTextWidth(vh);
-        return vh;
-    }
-
-    @Override
-    public void onBindViewHolder(@NonNull VH holder, int position) {
-        holder.txt.setText(mList.get(position));
-        holder.txt.getLayoutParams().width = txtWidth;
-        if (dynamic)
-            onUpdateTextWidth(holder);
-    }
-
-    protected void onUpdateTextWidth(VH vh) {
-        if (txtWidth < 0) {
-            txtWidth = screenWidth - padding;
-        } else {
-            vh.txt.measure(0, 0);
-            int width = vh.txt.getMeasuredWidth();
-            if (width > txtWidth) {
-                txtWidth = width;
-                vh.txt.getLayoutParams().width = txtWidth;
-            }
-        }
-        if (rv.getWidth() != txtWidth + padding)
-            rv.requestLayout();
-    }
-
-    @Override
-    public void onAttachedToRecyclerView(@NonNull RecyclerView rv) {
-        DisplayMetrics displayMetrics = new DisplayMetrics();
-        ((Activity) rv.getContext()).getWindowManager()
-                .getDefaultDisplay().getMetrics(displayMetrics);
-        screenWidth = displayMetrics.widthPixels;
-        padding = rv.getPaddingStart() + rv.getPaddingEnd();
-        this.rv = rv;
-    }
-
-    @Override
-    public final int getItemCount() {
-        return mList.size();
-    }
-
-    @LayoutRes
-    protected abstract int itemLayoutRes();
-
-    @NonNull
-    public abstract VH createViewHolder(@NonNull View v);
-
-    public static abstract class ViewHolder extends RecyclerView.ViewHolder {
-
-        public TextView txt;
-
-        public ViewHolder(@NonNull View itemView) {
-            super(itemView);
-            txt = itemView.findViewById(textViewResId());
-        }
-
-        @IdRes
-        protected abstract int textViewResId();
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/adapters/SuLogAdapter.java

@@ -1,144 +0,0 @@
-package com.topjohnwu.magisk.model.adapters;
-
-import android.content.Context;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.view.animation.Animation;
-import android.view.animation.RotateAnimation;
-import android.widget.ImageView;
-import android.widget.TextView;
-
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.data.database.MagiskDB;
-import com.topjohnwu.magisk.model.entity.SuLogEntry;
-import com.topjohnwu.magisk.view.ExpandableViewHolder;
-
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-
-import butterknife.BindView;
-
-public class SuLogAdapter extends SectionedAdapter<SuLogAdapter.SectionHolder, SuLogAdapter.LogViewHolder> {
-
-    private List<List<SuLogEntry>> logEntries;
-    private Set<Integer> itemExpanded, sectionExpanded;
-    private MagiskDB suDB;
-
-    public SuLogAdapter(MagiskDB db) {
-        suDB = db;
-        logEntries = Collections.emptyList();
-        sectionExpanded = new HashSet<>();
-        itemExpanded = new HashSet<>();
-    }
-
-    @Override
-    public int getSectionCount() {
-        return logEntries.size();
-    }
-
-    @Override
-    public int getItemCount(int section) {
-        return sectionExpanded.contains(section) ? logEntries.get(section).size() : 0;
-    }
-
-    @Override
-    public SectionHolder onCreateSectionViewHolder(ViewGroup parent) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_sulog_group, parent, false);
-        return new SectionHolder(v);
-    }
-
-    @Override
-    public LogViewHolder onCreateItemViewHolder(ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_sulog, parent, false);
-        return new LogViewHolder(v);
-    }
-
-    @Override
-    public void onBindSectionViewHolder(SectionHolder holder, int section) {
-        SuLogEntry entry = logEntries.get(section).get(0);
-        holder.arrow.setRotation(sectionExpanded.contains(section) ? 180 : 0);
-        holder.itemView.setOnClickListener(v -> {
-            RotateAnimation rotate;
-            if (sectionExpanded.contains(section)) {
-                holder.arrow.setRotation(0);
-                rotate = new RotateAnimation(180, 0, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
-                sectionExpanded.remove(section);
-                notifyItemRangeRemoved(getItemPosition(section, 0), logEntries.get(section).size());
-            } else {
-                rotate = new RotateAnimation(0, 180, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
-                sectionExpanded.add(section);
-                notifyItemRangeInserted(getItemPosition(section, 0), logEntries.get(section).size());
-            }
-            rotate.setDuration(300);
-            rotate.setFillAfter(true);
-            holder.arrow.setAnimation(rotate);
-        });
-        holder.date.setText(entry.getDateString());
-    }
-
-    @Override
-    public void onBindItemViewHolder(LogViewHolder holder, int section, int position) {
-        SuLogEntry entry = logEntries.get(section).get(position);
-        int realIdx = getItemPosition(section, position);
-        holder.expandable.setExpanded(itemExpanded.contains(realIdx));
-        holder.itemView.setOnClickListener(view -> {
-            if (holder.expandable.isExpanded()) {
-                holder.expandable.collapse();
-                itemExpanded.remove(realIdx);
-            } else {
-                holder.expandable.expand();
-                itemExpanded.add(realIdx);
-            }
-        });
-        Context context = holder.itemView.getContext();
-        holder.appName.setText(entry.appName);
-        holder.action.setText(entry.action ? R.string.grant : R.string.deny);
-        holder.pid.setText(context.getString(R.string.pid, entry.fromPid));
-        holder.uid.setText(context.getString(R.string.target_uid, entry.toUid));
-        holder.command.setText(context.getString(R.string.command, entry.command));
-        holder.time.setText(entry.getTimeString());
-    }
-
-    public void notifyDBChanged() {
-        logEntries = suDB.getLogs();
-        itemExpanded.clear();
-        sectionExpanded.clear();
-        sectionExpanded.add(0);
-        notifyDataSetChanged();
-    }
-
-    static class SectionHolder extends RecyclerView.ViewHolder {
-
-        @BindView(R.id.date) TextView date;
-        @BindView(R.id.arrow) ImageView arrow;
-
-        SectionHolder(View itemView) {
-            super(itemView);
-            new SuLogAdapter$SectionHolder_ViewBinding(this, itemView);
-        }
-    }
-
-    static class LogViewHolder extends RecyclerView.ViewHolder {
-
-        @BindView(R.id.app_name) TextView appName;
-        @BindView(R.id.action) TextView action;
-        @BindView(R.id.time) TextView time;
-        @BindView(R.id.pid) TextView pid;
-        @BindView(R.id.uid) TextView uid;
-        @BindView(R.id.cmd) TextView command;
-        @BindView(R.id.expand_layout) ViewGroup expandLayout;
-
-        ExpandableViewHolder expandable;
-
-        LogViewHolder(View itemView) {
-            super(itemView);
-            new SuLogAdapter$LogViewHolder_ViewBinding(this, itemView);
-            expandable = new ExpandableViewHolder(expandLayout);
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/adapters/TabFragmentAdapter.java

@@ -1,41 +0,0 @@
-package com.topjohnwu.magisk.model.adapters;
-
-
-import androidx.fragment.app.Fragment;
-import androidx.fragment.app.FragmentManager;
-import androidx.fragment.app.FragmentPagerAdapter;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class TabFragmentAdapter extends FragmentPagerAdapter {
-
-    private List<Fragment> fragmentList;
-    private List<String> titleList;
-
-    public TabFragmentAdapter(FragmentManager fm) {
-        super(fm);
-        fragmentList = new ArrayList<>();
-        titleList = new ArrayList<>();
-    }
-
-    @Override
-    public Fragment getItem(int position) {
-        return fragmentList.get(position);
-    }
-
-    @Override
-    public int getCount() {
-        return fragmentList.size();
-    }
-
-    @Override
-    public CharSequence getPageTitle(int position) {
-        return titleList.get(position);
-    }
-
-    public void addTab(Fragment fragment, String title) {
-        fragmentList.add(fragment);
-        titleList.add(title);
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/download/DownloadModuleService.java

@@ -6,8 +6,6 @@ import android.content.Intent;
 import android.net.Uri;
 import android.os.IBinder;
 
-import androidx.annotation.Nullable;
-
 import com.topjohnwu.magisk.App;
 import com.topjohnwu.magisk.ClassMap;
 import com.topjohnwu.magisk.Const;
@@ -31,6 +29,8 @@ import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
 import java.util.zip.ZipOutputStream;
 
+import androidx.annotation.Nullable;
+
 public class DownloadModuleService extends Service {
 
     private List<ProgressNotification> notifications;

app/src/main/java/com/topjohnwu/magisk/model/entity/BaseModule.java

@@ -5,10 +5,10 @@ import android.database.Cursor;
 import android.os.Parcel;
 import android.os.Parcelable;
 
-import androidx.annotation.NonNull;
-
 import java.util.List;
 
+import androidx.annotation.NonNull;
+
 public abstract class BaseModule implements Comparable<BaseModule>, Parcelable {
 
     private String mId, mName, mVersion, mAuthor, mDescription;

app/src/main/java/com/topjohnwu/magisk/model/entity/HideAppInfo.kt

@@ -0,0 +1,16 @@
+package com.topjohnwu.magisk.model.entity
+
+import android.content.pm.ApplicationInfo
+import android.graphics.drawable.Drawable
+import com.topjohnwu.magisk.utils.packageInfo
+import com.topjohnwu.magisk.utils.processes
+
+class HideAppInfo(
+    val info: ApplicationInfo,
+    val name: String,
+    val icon: Drawable
+) {
+
+    val processes = info.packageInfo?.processes?.distinct() ?: listOf(info.packageName)
+
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/HideTarget.kt

@@ -0,0 +1,10 @@
+package com.topjohnwu.magisk.model.entity
+
+class HideTarget(line: String) {
+
+    private val split = line.split(Regex("\\|"), 2)
+
+    val packageName = split[0]
+    val process = split.getOrElse(1) { packageName }
+
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/Policy.java

@@ -4,10 +4,10 @@ import android.content.ContentValues;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 
-import androidx.annotation.NonNull;
-
 import com.topjohnwu.magisk.utils.Utils;
 
+import androidx.annotation.NonNull;
+
 
 public class Policy implements Comparable<Policy>{
     public static final int INTERACTIVE = 0;

app/src/main/java/com/topjohnwu/magisk/model/entity/recycler/ConsoleRvItem.kt

@@ -0,0 +1,11 @@
+package com.topjohnwu.magisk.model.entity.recycler
+
+import com.skoumal.teanity.databinding.ComparableRvItem
+import com.topjohnwu.magisk.R
+
+class ConsoleRvItem(val item: String) : ComparableRvItem<ConsoleRvItem>() {
+    override val layoutRes: Int = R.layout.item_console
+
+    override fun contentSameAs(other: ConsoleRvItem) = itemSameAs(other)
+    override fun itemSameAs(other: ConsoleRvItem) = item == other.item
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/recycler/HideRvItem.kt

@@ -0,0 +1,92 @@
+package com.topjohnwu.magisk.model.entity.recycler
+
+import com.skoumal.teanity.databinding.ComparableRvItem
+import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
+import com.skoumal.teanity.rxbus.RxBus
+import com.skoumal.teanity.util.DiffObservableList
+import com.skoumal.teanity.util.KObservableField
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.model.entity.HideAppInfo
+import com.topjohnwu.magisk.model.entity.HideTarget
+import com.topjohnwu.magisk.model.entity.state.IndeterminateState
+import com.topjohnwu.magisk.model.events.HideProcessEvent
+import com.topjohnwu.magisk.utils.inject
+import com.topjohnwu.magisk.utils.toggle
+
+class HideRvItem(val item: HideAppInfo, targets: List<HideTarget>) :
+    ComparableRvItem<HideRvItem>() {
+
+    override val layoutRes: Int = R.layout.item_hide_app
+
+    val packageName = item.info.packageName.orEmpty()
+    val items = DiffObservableList(callback).also {
+        val items = item.processes.map {
+            val isHidden = targets.any { target ->
+                packageName == target.packageName && it == target.process
+            }
+            HideProcessRvItem(packageName, it, isHidden)
+        }
+        it.update(items)
+    }
+    val isHiddenState = KObservableField(currentState)
+    val isExpanded = KObservableField(false)
+
+    private val itemsProcess get() = items.filterIsInstance<HideProcessRvItem>()
+
+    private val currentState
+        get() = when (itemsProcess.count { it.isHidden.value }) {
+            items.size -> IndeterminateState.CHECKED
+            in 1 until items.size -> IndeterminateState.INDETERMINATE
+            else -> IndeterminateState.UNCHECKED
+        }
+
+    init {
+        itemsProcess.forEach {
+            it.isHidden.addOnPropertyChangedCallback { isHiddenState.value = currentState }
+        }
+    }
+
+    fun toggle() {
+        val desiredState = when (isHiddenState.value) {
+            IndeterminateState.INDETERMINATE,
+            IndeterminateState.UNCHECKED -> true
+            IndeterminateState.CHECKED -> false
+        }
+        itemsProcess.forEach { it.isHidden.value = desiredState }
+        isHiddenState.value = currentState
+    }
+
+    fun toggleExpansion() {
+        if (items.size <= 1) return
+        isExpanded.toggle()
+    }
+
+    override fun contentSameAs(other: HideRvItem): Boolean = items.all { other.items.contains(it) }
+    override fun itemSameAs(other: HideRvItem): Boolean = item.info == other.item.info
+
+}
+
+class HideProcessRvItem(
+    val packageName: String,
+    val process: String,
+    isHidden: Boolean
+) : ComparableRvItem<HideProcessRvItem>() {
+
+    override val layoutRes: Int = R.layout.item_hide_process
+
+    val isHidden = KObservableField(isHidden)
+
+    private val rxBus: RxBus by inject()
+
+    init {
+        this.isHidden.addOnPropertyChangedCallback {
+            rxBus.post(HideProcessEvent(this@HideProcessRvItem))
+        }
+    }
+
+    fun toggle() = isHidden.toggle()
+
+    override fun contentSameAs(other: HideProcessRvItem): Boolean = itemSameAs(other)
+    override fun itemSameAs(other: HideProcessRvItem): Boolean =
+        packageName == other.packageName && process == other.process
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/recycler/LogRvItem.kt

@@ -0,0 +1,75 @@
+package com.topjohnwu.magisk.model.entity.recycler
+
+import androidx.databinding.ObservableList
+import com.skoumal.teanity.databinding.ComparableRvItem
+import com.skoumal.teanity.util.DiffObservableList
+import com.skoumal.teanity.util.KObservableField
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.model.entity.SuLogEntry
+import com.topjohnwu.magisk.utils.toggle
+
+class LogRvItem : ComparableRvItem<LogRvItem>() {
+    override val layoutRes: Int = R.layout.item_page_log
+
+    val items = DiffObservableList(callback)
+
+    fun update(list: List<LogItemRvItem>) {
+        list.firstOrNull()?.isExpanded?.value = true
+        items.update(list)
+    }
+
+    //two of these will never be present, safe to assume it's unique
+    override fun contentSameAs(other: LogRvItem): Boolean = false
+
+    override fun itemSameAs(other: LogRvItem): Boolean = false
+}
+
+class LogItemRvItem(
+    val items: ObservableList<ComparableRvItem<*>>
+) : ComparableRvItem<LogItemRvItem>() {
+    override val layoutRes: Int = R.layout.item_superuser_log
+
+    val date = items.filterIsInstance<LogItemEntryRvItem>().firstOrNull()
+        ?.item?.dateString.orEmpty()
+    val isExpanded = KObservableField(false)
+
+    fun toggle() = isExpanded.toggle()
+
+    override fun contentSameAs(other: LogItemRvItem): Boolean = items
+        .any { !other.items.contains(it) }
+
+    override fun itemSameAs(other: LogItemRvItem): Boolean = date == other.date
+}
+
+class LogItemEntryRvItem(val item: SuLogEntry) : ComparableRvItem<LogItemEntryRvItem>() {
+    override val layoutRes: Int = R.layout.item_superuser_log_entry
+
+    val isExpanded = KObservableField(false)
+
+    fun toggle() = isExpanded.toggle()
+
+    override fun contentSameAs(other: LogItemEntryRvItem) = item.fromUid == other.item.fromUid &&
+            item.toUid == other.item.toUid &&
+            item.fromPid == other.item.fromPid &&
+            item.packageName == other.item.packageName &&
+            item.command == other.item.command &&
+            item.action == other.item.action &&
+            item.date == other.item.date
+
+    override fun itemSameAs(other: LogItemEntryRvItem) = item.appName == other.item.appName
+}
+
+class MagiskLogRvItem : ComparableRvItem<MagiskLogRvItem>() {
+    override val layoutRes: Int = R.layout.item_page_magisk_log
+
+    val items = DiffObservableList(callback)
+
+    fun update(list: List<ConsoleRvItem>) {
+        items.update(list)
+    }
+
+    //two of these will never be present, safe to assume it's unique
+    override fun contentSameAs(other: MagiskLogRvItem): Boolean = false
+
+    override fun itemSameAs(other: MagiskLogRvItem): Boolean = false
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/recycler/ModuleRvItem.kt

@@ -0,0 +1,66 @@
+package com.topjohnwu.magisk.model.entity.recycler
+
+import android.content.res.Resources
+import androidx.annotation.StringRes
+import com.skoumal.teanity.databinding.ComparableRvItem
+import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
+import com.skoumal.teanity.util.KObservableField
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.model.entity.Module
+import com.topjohnwu.magisk.model.entity.Repo
+import com.topjohnwu.magisk.utils.get
+import com.topjohnwu.magisk.utils.toggle
+
+class ModuleRvItem(val item: Module) : ComparableRvItem<ModuleRvItem>() {
+
+    override val layoutRes: Int = R.layout.item_module
+
+    val lastActionNotice = KObservableField("")
+    val isChecked = KObservableField(item.isEnabled)
+    val isDeletable = KObservableField(item.willBeRemoved())
+
+    init {
+        isChecked.addOnPropertyChangedCallback {
+            when (it) {
+                true -> item.removeDisableFile().notice(R.string.disable_file_removed)
+                false -> item.createDisableFile().notice(R.string.disable_file_created)
+            }
+        }
+        isDeletable.addOnPropertyChangedCallback {
+            when (it) {
+                true -> item.createRemoveFile().notice(R.string.remove_file_created)
+                false -> item.deleteRemoveFile().notice(R.string.remove_file_deleted)
+            }
+        }
+        when {
+            item.isUpdated -> notice(R.string.update_file_created)
+            item.willBeRemoved() -> notice(R.string.remove_file_created)
+        }
+    }
+
+    fun toggle() = isChecked.toggle()
+    fun toggleDelete() = isDeletable.toggle()
+
+    @Suppress("unused")
+    private fun Any.notice(@StringRes info: Int) {
+        lastActionNotice.value = get<Resources>().getString(info)
+    }
+
+    override fun contentSameAs(other: ModuleRvItem): Boolean = item.version == other.item.version
+            && item.versionCode == other.item.versionCode
+            && item.description == other.item.description
+
+    override fun itemSameAs(other: ModuleRvItem): Boolean = item.name == other.item.name
+}
+
+class RepoRvItem(val item: Repo) : ComparableRvItem<RepoRvItem>() {
+
+    override val layoutRes: Int = R.layout.item_repo
+
+    override fun contentSameAs(other: RepoRvItem): Boolean = item.version == other.item.version
+            && item.lastUpdate == other.item.lastUpdate
+            && item.versionCode == other.item.versionCode
+            && item.description == other.item.description
+
+    override fun itemSameAs(other: RepoRvItem): Boolean = item.detailUrl == other.item.detailUrl
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/recycler/PolicyRvItem.kt

@@ -0,0 +1,47 @@
+package com.topjohnwu.magisk.model.entity.recycler
+
+import android.graphics.drawable.Drawable
+import com.skoumal.teanity.databinding.ComparableRvItem
+import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
+import com.skoumal.teanity.rxbus.RxBus
+import com.skoumal.teanity.util.KObservableField
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.model.entity.Policy
+import com.topjohnwu.magisk.model.events.PolicyEnableEvent
+import com.topjohnwu.magisk.model.events.PolicyUpdateEvent
+import com.topjohnwu.magisk.utils.inject
+import com.topjohnwu.magisk.utils.toggle
+
+class PolicyRvItem(val item: Policy, val icon: Drawable) : ComparableRvItem<PolicyRvItem>() {
+
+    override val layoutRes: Int = R.layout.item_policy
+
+    val isExpanded = KObservableField(false)
+    val isEnabled = KObservableField(item.policy == Policy.ALLOW)
+    val shouldNotify = KObservableField(item.notification)
+    val shouldLog = KObservableField(item.logging)
+
+    fun toggle() = isExpanded.toggle()
+
+    private val rxBus: RxBus by inject()
+
+    init {
+        isEnabled.addOnPropertyChangedCallback {
+            it ?: return@addOnPropertyChangedCallback
+            rxBus.post(PolicyEnableEvent(this@PolicyRvItem, it))
+        }
+        shouldNotify.addOnPropertyChangedCallback {
+            it ?: return@addOnPropertyChangedCallback
+            item.notification = it
+            rxBus.post(PolicyUpdateEvent.Notification(this@PolicyRvItem))
+        }
+        shouldLog.addOnPropertyChangedCallback {
+            it ?: return@addOnPropertyChangedCallback
+            item.logging = it
+            rxBus.post(PolicyUpdateEvent.Log(this@PolicyRvItem))
+        }
+    }
+
+    override fun contentSameAs(other: PolicyRvItem): Boolean = itemSameAs(other)
+    override fun itemSameAs(other: PolicyRvItem): Boolean = item.uid == other.item.uid
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/recycler/SectionRvItem.kt

@@ -0,0 +1,11 @@
+package com.topjohnwu.magisk.model.entity.recycler
+
+import com.skoumal.teanity.databinding.ComparableRvItem
+import com.topjohnwu.magisk.R
+
+class SectionRvItem(val text: String) : ComparableRvItem<SectionRvItem>() {
+    override val layoutRes: Int = R.layout.item_section
+
+    override fun contentSameAs(other: SectionRvItem) = itemSameAs(other)
+    override fun itemSameAs(other: SectionRvItem) = text == other.text
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/recycler/SpinnerRvItem.kt

@@ -0,0 +1,13 @@
+package com.topjohnwu.magisk.model.entity.recycler
+
+import com.skoumal.teanity.databinding.ComparableRvItem
+import com.topjohnwu.magisk.R
+
+class SpinnerRvItem(val item: String) : ComparableRvItem<SpinnerRvItem>() {
+
+    override val layoutRes: Int = R.layout.item_spinner
+
+    override fun contentSameAs(other: SpinnerRvItem) = itemSameAs(other)
+    override fun itemSameAs(other: SpinnerRvItem) = item == other.item
+
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/state/IndeterminateState.kt

@@ -0,0 +1,5 @@
+package com.topjohnwu.magisk.model.entity.state
+
+enum class IndeterminateState {
+    INDETERMINATE, CHECKED, UNCHECKED
+}

app/src/main/java/com/topjohnwu/magisk/model/events/RxEvents.kt

@@ -0,0 +1,16 @@
+package com.topjohnwu.magisk.model.events
+
+import com.skoumal.teanity.rxbus.RxBus
+import com.topjohnwu.magisk.model.entity.recycler.HideProcessRvItem
+import com.topjohnwu.magisk.model.entity.recycler.ModuleRvItem
+import com.topjohnwu.magisk.model.entity.recycler.PolicyRvItem
+
+class HideProcessEvent(val item: HideProcessRvItem) : RxBus.Event
+
+class PolicyEnableEvent(val item: PolicyRvItem, val enable: Boolean) : RxBus.Event
+sealed class PolicyUpdateEvent(val item: PolicyRvItem) : RxBus.Event {
+    class Notification(item: PolicyRvItem) : PolicyUpdateEvent(item)
+    class Log(item: PolicyRvItem) : PolicyUpdateEvent(item)
+}
+
+class ModuleUpdatedEvent(val item: ModuleRvItem) : RxBus.Event

app/src/main/java/com/topjohnwu/magisk/model/events/ViewEvents.kt

@@ -0,0 +1,40 @@
+package com.topjohnwu.magisk.model.events
+
+import android.app.Activity
+import com.skoumal.teanity.viewevents.ViewEvent
+import com.topjohnwu.magisk.model.entity.Policy
+import com.topjohnwu.magisk.model.entity.Repo
+import io.reactivex.subjects.PublishSubject
+
+
+data class OpenLinkEvent(val url: String) : ViewEvent()
+
+class ManagerInstallEvent : ViewEvent()
+class MagiskInstallEvent : ViewEvent()
+
+class ManagerChangelogEvent : ViewEvent()
+class MagiskChangelogEvent : ViewEvent()
+
+class UninstallEvent : ViewEvent()
+class EnvFixEvent : ViewEvent()
+
+class UpdateSafetyNetEvent : ViewEvent()
+
+class ViewActionEvent(val action: Activity.() -> Unit) : ViewEvent()
+
+class OpenFilePickerEvent : ViewEvent()
+
+class OpenChangelogEvent(val item: Repo) : ViewEvent()
+class InstallModuleEvent(val item: Repo) : ViewEvent()
+
+class PageChangedEvent : ViewEvent()
+
+class PermissionEvent(
+    val permissions: List<String>,
+    val callback: PublishSubject<Boolean>
+) : ViewEvent()
+
+class BackPressEvent : ViewEvent()
+
+class SuDialogEvent(val policy: Policy) : ViewEvent()
+class DieEvent : ViewEvent()

app/src/main/java/com/topjohnwu/magisk/model/flash/FlashResultListener.kt

@@ -0,0 +1,7 @@
+package com.topjohnwu.magisk.model.flash
+
+interface FlashResultListener {
+
+    fun onResult(isSuccess: Boolean)
+
+}

app/src/main/java/com/topjohnwu/magisk/model/flash/Flashing.kt

@@ -0,0 +1,62 @@
+package com.topjohnwu.magisk.model.flash
+
+import android.content.Context
+import android.net.Uri
+import androidx.core.os.postDelayed
+import com.topjohnwu.magisk.tasks.FlashZip
+import com.topjohnwu.magisk.utils.Utils
+import com.topjohnwu.magisk.utils.inject
+import com.topjohnwu.superuser.Shell
+import com.topjohnwu.superuser.internal.UiThreadHandler
+
+sealed class Flashing(
+    uri: Uri,
+    private val console: MutableList<String>,
+    log: MutableList<String>,
+    private val resultListener: FlashResultListener
+) : FlashZip(uri, console, log) {
+
+    override fun onResult(success: Boolean) {
+        if (!success) {
+            console.add("! Installation failed")
+        }
+
+        resultListener.onResult(success)
+    }
+
+    class Install(
+        uri: Uri,
+        console: MutableList<String>,
+        log: MutableList<String>,
+        resultListener: FlashResultListener
+    ) : Flashing(uri, console, log, resultListener) {
+
+        override fun onResult(success: Boolean) {
+            if (success) {
+                Utils.loadModules()
+            }
+            super.onResult(success)
+        }
+
+    }
+
+    class Uninstall(
+        uri: Uri,
+        console: MutableList<String>,
+        log: MutableList<String>,
+        resultListener: FlashResultListener
+    ) : Flashing(uri, console, log, resultListener) {
+
+        private val context: Context by inject()
+
+        override fun onResult(success: Boolean) {
+            if (success) {
+                UiThreadHandler.handler.postDelayed(3000) {
+                    Shell.su("pm uninstall " + context.packageName).exec()
+                }
+            }
+            super.onResult(success)
+        }
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/model/flash/Patching.kt

@@ -0,0 +1,51 @@
+package com.topjohnwu.magisk.model.flash
+
+import android.net.Uri
+import com.topjohnwu.magisk.tasks.MagiskInstaller
+import com.topjohnwu.superuser.Shell
+
+sealed class Patching(
+    private val console: MutableList<String>,
+    logs: MutableList<String>,
+    private val resultListener: FlashResultListener
+) : MagiskInstaller(console, logs) {
+
+    override fun onResult(success: Boolean) {
+        if (success) {
+            console.add("- All done!")
+        } else {
+            Shell.sh("rm -rf $installDir").submit()
+            console.add("! Installation failed")
+        }
+        resultListener.onResult(success)
+    }
+
+    class File(
+        private val uri: Uri,
+        console: MutableList<String>,
+        logs: MutableList<String>,
+        resultListener: FlashResultListener
+    ) : Patching(console, logs, resultListener) {
+        override fun operations() =
+            extractZip() && handleFile(uri) && patchBoot() && storeBoot()
+    }
+
+    class SecondSlot(
+        console: MutableList<String>,
+        logs: MutableList<String>,
+        resultListener: FlashResultListener
+    ) : Patching(console, logs, resultListener) {
+        override fun operations() =
+            findSecondaryImage() && extractZip() && patchBoot() && flashBoot() && postOTA()
+    }
+
+    class Direct(
+        console: MutableList<String>,
+        logs: MutableList<String>,
+        resultListener: FlashResultListener
+    ) : Patching(console, logs, resultListener) {
+        override fun operations() =
+            findImage() && extractZip() && patchBoot() && flashBoot()
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/model/navigation/MagiskNavigationEvent.kt

@@ -0,0 +1,84 @@
+package com.topjohnwu.magisk.model.navigation
+
+import android.os.Bundle
+import androidx.annotation.AnimRes
+import androidx.annotation.AnimatorRes
+import androidx.fragment.app.Fragment
+import com.skoumal.teanity.viewevents.NavigationDslMarker
+import com.skoumal.teanity.viewevents.ViewEvent
+import kotlin.reflect.KClass
+
+class MagiskNavigationEvent(
+    val navDirections: MagiskNavDirectionsBuilder,
+    val navOptions: MagiskNavOptions,
+    val animOptions: MagiskAnimBuilder
+) : ViewEvent() {
+
+    companion object {
+        operator fun invoke(builder: Builder.() -> Unit) = Builder().apply(builder).build()
+    }
+
+    @NavigationDslMarker
+    class Builder {
+
+        private var animOptions: MagiskAnimBuilder = MagiskAnimBuilder()
+        private var navOptions: MagiskNavOptions = MagiskNavOptions()
+        private val directionsBuilder = MagiskNavDirectionsBuilder()
+
+        fun args(builder: Bundle.() -> Unit) = directionsBuilder.args(builder)
+
+        fun navAnim(builder: MagiskAnimBuilder.() -> Unit) {
+            animOptions = MagiskAnimBuilder().apply(builder)
+        }
+
+        fun navOptions(builder: MagiskNavOptions.() -> Unit) {
+            navOptions = MagiskNavOptions().apply(builder)
+        }
+
+        fun navDirections(builder: MagiskNavDirectionsBuilder.() -> Unit) {
+            directionsBuilder.apply(builder)
+        }
+
+        internal fun build() = MagiskNavigationEvent(directionsBuilder, navOptions, animOptions)
+    }
+}
+
+@NavigationDslMarker
+class MagiskNavDirectionsBuilder {
+
+    var destination: KClass<out Fragment>? = null
+    var isActivity: Boolean = false
+    val args: Bundle = Bundle()
+
+    fun args(builder: Bundle.() -> Unit) = args.apply(builder)
+
+}
+
+@NavigationDslMarker
+class MagiskNavOptions {
+    var popUpTo: KClass<*>? = null
+    var inclusive: Boolean = false
+    var clearTask: Boolean = false
+    var singleTop: Boolean = false
+}
+
+@NavigationDslMarker
+class MagiskAnimBuilder {
+    @AnimRes
+    @AnimatorRes
+    var enter = 0
+
+    @AnimRes
+    @AnimatorRes
+    var exit = 0
+
+    @AnimRes
+    @AnimatorRes
+    var popEnter = 0
+
+    @AnimRes
+    @AnimatorRes
+    var popExit = 0
+
+    val anySet: Boolean get() = enter != 0 || exit != 0 || popEnter != 0 || popExit != 0
+}

app/src/main/java/com/topjohnwu/magisk/model/navigation/Navigation.kt

@@ -0,0 +1,57 @@
+package com.topjohnwu.magisk.model.navigation
+
+import com.topjohnwu.magisk.ui.hide.MagiskHideFragment
+import com.topjohnwu.magisk.ui.home.MagiskFragment
+import com.topjohnwu.magisk.ui.log.LogFragment
+import com.topjohnwu.magisk.ui.module.ModulesFragment
+import com.topjohnwu.magisk.ui.module.ReposFragment
+import com.topjohnwu.magisk.ui.settings.SettingsFragment
+import com.topjohnwu.magisk.ui.superuser.SuperuserFragment
+
+
+object Navigation {
+
+    fun home() = MagiskNavigationEvent {
+        navDirections { destination = MagiskFragment::class }
+        navOptions { popUpTo = MagiskFragment::class }
+    }
+
+    fun superuser() = MagiskNavigationEvent {
+        navDirections { destination = SuperuserFragment::class }
+    }
+
+    fun modules() = MagiskNavigationEvent {
+        navDirections { destination = ModulesFragment::class }
+    }
+
+    fun repos() = MagiskNavigationEvent {
+        navDirections { destination = ReposFragment::class }
+    }
+
+    fun hide() = MagiskNavigationEvent {
+        navDirections { destination = MagiskHideFragment::class }
+    }
+
+    fun log() = MagiskNavigationEvent {
+        navDirections { destination = LogFragment::class }
+    }
+
+    fun settings() = MagiskNavigationEvent {
+        navDirections { destination = SettingsFragment::class }
+    }
+
+    fun fromSection(section: String) = when (section) {
+        "superuser" -> superuser()
+        "modules" -> modules()
+        "downloads" -> repos()
+        "magiskhide" -> hide()
+        "log" -> log()
+        "settings" -> settings()
+        else -> home()
+    }
+
+
+    object Main {
+        const val OPEN_NAV = 1
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/navigation/Navigator.kt

@@ -0,0 +1,13 @@
+package com.topjohnwu.magisk.model.navigation
+
+import androidx.fragment.app.Fragment
+import kotlin.reflect.KClass
+
+interface Navigator {
+
+    //TODO Elevate Fragment to MagiskFragment<*,*> once everything is on board with it
+    val baseFragments: List<KClass<out Fragment>>
+
+    fun navigateTo(event: MagiskNavigationEvent)
+
+}

app/src/main/java/com/topjohnwu/magisk/model/observer/Observer.kt

@@ -0,0 +1,31 @@
+package com.topjohnwu.magisk.model.observer
+
+import androidx.databinding.Observable
+import androidx.databinding.ObservableField
+import java.io.Serializable
+
+
+class Observer<T>(vararg dependencies: Observable, private val observer: () -> T) :
+    ObservableField<T>(*dependencies), Serializable {
+
+    val value: T get() = observer()
+
+    @Deprecated(
+        message = "Use KObservableField.value syntax from code",
+        replaceWith = ReplaceWith("value")
+    )
+    override fun get(): T {
+        return value
+    }
+
+    @Deprecated(
+        message = "Observer cannot be set",
+        level = DeprecationLevel.HIDDEN
+    )
+    override fun set(newValue: T) {
+    }
+
+    override fun toString(): String {
+        return "Observer(value=$value)"
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/permissions/PermissionRequestBuilder.kt

@@ -0,0 +1,40 @@
+package com.topjohnwu.magisk.model.permissions
+
+typealias SimpleCallback = () -> Unit
+typealias PermissionRationaleCallback = (List<String>) -> Unit
+
+class PermissionRequestBuilder {
+
+    private var onSuccessCallback: SimpleCallback = {}
+    private var onFailureCallback: SimpleCallback = {}
+    private var onShowRationaleCallback: PermissionRationaleCallback = {}
+
+    fun onSuccess(callback: SimpleCallback) {
+        onSuccessCallback = callback
+    }
+
+    fun onFailure(callback: SimpleCallback) {
+        onFailureCallback = callback
+    }
+
+    fun onShowRationale(callback: PermissionRationaleCallback) {
+        onShowRationaleCallback = callback
+    }
+
+    fun build(): PermissionRequest {
+        return PermissionRequest(onSuccessCallback, onFailureCallback, onShowRationaleCallback)
+    }
+
+}
+
+class PermissionRequest(
+    private val onSuccessCallback: SimpleCallback,
+    private val onFailureCallback: SimpleCallback,
+    private val onShowRationaleCallback: PermissionRationaleCallback
+) {
+
+    fun onSuccess() = onSuccessCallback()
+    fun onFailure() = onFailureCallback()
+    fun onShowRationale(permissions: List<String>) = onShowRationaleCallback(permissions)
+
+}

app/src/main/java/com/topjohnwu/magisk/model/receiver/GeneralReceiver.java

@@ -61,12 +61,12 @@ public class GeneralReceiver extends BroadcastReceiver {
             case Intent.ACTION_PACKAGE_REPLACED:
                 // This will only work pre-O
                 if (Config.get(Config.Key.SU_REAUTH)) {
-                    app.mDB.deletePolicy(getPkg(intent));
+                    app.getDB().deletePolicy(getPkg(intent));
                 }
                 break;
             case Intent.ACTION_PACKAGE_FULLY_REMOVED:
                 String pkg = getPkg(intent);
-                app.mDB.deletePolicy(pkg);
+                app.getDB().deletePolicy(pkg);
                 Shell.su("magiskhide --rm " + pkg).submit();
                 break;
             case Intent.ACTION_LOCALE_CHANGED:

app/src/main/java/com/topjohnwu/magisk/model/worker/DelegateWorker.java

@@ -4,6 +4,12 @@ import android.content.Context;
 import android.net.Network;
 import android.net.Uri;
 
+import com.google.common.util.concurrent.ListenableFuture;
+
+import java.util.List;
+import java.util.Set;
+import java.util.UUID;
+
 import androidx.annotation.MainThread;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -11,12 +17,6 @@ import androidx.annotation.RequiresApi;
 import androidx.work.Data;
 import androidx.work.ListenableWorker;
 
-import com.google.common.util.concurrent.ListenableFuture;
-
-import java.util.List;
-import java.util.Set;
-import java.util.UUID;
-
 public abstract class DelegateWorker {
 
     private ListenableWorker worker;

app/src/main/java/com/topjohnwu/magisk/tasks/UpdateRepos.java

@@ -34,7 +34,7 @@ import java.util.concurrent.Future;
 public class UpdateRepos {
     private static final DateFormat DATE_FORMAT;
 
-    private App app = App.self;
+    private final App app = App.self;
     private Set<String> cached;
     private Queue<Pair<String, Date>> moduleQueue;
 
@@ -116,17 +116,17 @@ public class UpdateRepos {
                 Pair<String, Date> pair = moduleQueue.poll();
                 if (pair == null)
                     return;
-                Repo repo = app.repoDB.getRepo(pair.first);
+                Repo repo = app.getRepoDB().getRepo(pair.first);
                 try {
                     if (repo == null)
                         repo = new Repo(pair.first);
                     else
                         cached.remove(pair.first);
                     repo.update(pair.second);
-                    app.repoDB.addRepo(repo);
+                    app.getRepoDB().addRepo(repo);
                 } catch (Repo.IllegalRepoException e) {
                     Logger.debug(e.getMessage());
-                    app.repoDB.removeRepo(pair.first);
+                    app.getRepoDB().removeRepo(pair.first);
                 }
             }
         });
@@ -134,7 +134,7 @@ public class UpdateRepos {
     }
 
     private void fullReload() {
-        Cursor c = app.repoDB.getRawCursor();
+        Cursor c = app.getRepoDB().getRawCursor();
         runTasks(() -> {
             while (true) {
                 Repo repo;
@@ -145,10 +145,10 @@ public class UpdateRepos {
                 }
                 try {
                     repo.update();
-                    app.repoDB.addRepo(repo);
+                    app.getRepoDB().addRepo(repo);
                 } catch (Repo.IllegalRepoException e) {
                     Logger.debug(e.getMessage());
-                    app.repoDB.removeRepo(repo);
+                    app.getRepoDB().removeRepo(repo);
                 }
             }
         });
@@ -157,12 +157,12 @@ public class UpdateRepos {
     public void exec(boolean force) {
         Event.reset(Event.REPO_LOAD_DONE);
         App.THREAD_POOL.execute(() -> {
-            cached = Collections.synchronizedSet(app.repoDB.getRepoIDSet());
+            cached = Collections.synchronizedSet(app.getRepoDB().getRepoIDSet());
             moduleQueue = new ConcurrentLinkedQueue<>();
 
             if (loadPages()) {
                 // The leftover cached means they are removed from online repo
-                app.repoDB.removeRepo(cached);
+                app.getRepoDB().removeRepo(cached);
             } else if (force) {
                 fullReload();
             }

app/src/main/java/com/topjohnwu/magisk/ui/MainActivity.java

@@ -1,194 +0,0 @@
-package com.topjohnwu.magisk.ui;
-
-import android.content.Intent;
-import android.os.Build;
-import android.os.Bundle;
-import android.os.Handler;
-import android.view.Menu;
-import android.view.MenuItem;
-import android.view.View;
-
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.ActionBarDrawerToggle;
-import androidx.appcompat.widget.Toolbar;
-import androidx.drawerlayout.widget.DrawerLayout;
-import androidx.fragment.app.Fragment;
-import androidx.fragment.app.FragmentTransaction;
-
-import com.google.android.material.navigation.NavigationView;
-import com.topjohnwu.magisk.ClassMap;
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.ui.base.BaseActivity;
-import com.topjohnwu.magisk.ui.hide.MagiskHideFragment;
-import com.topjohnwu.magisk.ui.home.MagiskFragment;
-import com.topjohnwu.magisk.ui.log.LogFragment;
-import com.topjohnwu.magisk.ui.module.ModulesFragment;
-import com.topjohnwu.magisk.ui.module.ReposFragment;
-import com.topjohnwu.magisk.ui.settings.SettingsFragment;
-import com.topjohnwu.magisk.ui.superuser.SuperuserFragment;
-import com.topjohnwu.magisk.utils.Utils;
-import com.topjohnwu.net.Networking;
-import com.topjohnwu.superuser.Shell;
-
-import butterknife.BindView;
-
-public class MainActivity extends BaseActivity
-        implements NavigationView.OnNavigationItemSelectedListener {
-
-    private final Handler mDrawerHandler = new Handler();
-    private int mDrawerItem;
-    private static boolean fromShortcut = false;
-
-    @BindView(R.id.toolbar) public Toolbar toolbar;
-    @BindView(R.id.drawer_layout) DrawerLayout drawer;
-    @BindView(R.id.nav_view) NavigationView navigationView;
-
-    private float toolbarElevation;
-
-    @Override
-    public int getDarkTheme() {
-        return R.style.AppTheme_Dark;
-    }
-
-    @Override
-    protected void onCreate(final Bundle savedInstanceState) {
-        if (!SplashActivity.DONE) {
-            startActivity(new Intent(this, ClassMap.get(SplashActivity.class)));
-            finish();
-        }
-
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_main);
-        new MainActivity_ViewBinding(this);
-        checkHideSection();
-        setSupportActionBar(toolbar);
-
-        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, drawer, toolbar, R.string.magisk, R.string.magisk) {
-            @Override
-            public void onDrawerOpened(View drawerView) {
-                super.onDrawerOpened(drawerView);
-                super.onDrawerSlide(drawerView, 0); // this disables the arrow @ completed tate
-            }
-
-            @Override
-            public void onDrawerSlide(View drawerView, float slideOffset) {
-                super.onDrawerSlide(drawerView, 0); // this disables the animation
-            }
-        };
-
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            toolbarElevation = toolbar.getElevation();
-        }
-
-        drawer.addDrawerListener(toggle);
-        toggle.syncState();
-
-        if (savedInstanceState == null) {
-            String section = getIntent().getStringExtra(Const.Key.OPEN_SECTION);
-            fromShortcut = section != null;
-            navigate(section);
-        }
-
-        navigationView.setNavigationItemSelectedListener(this);
-    }
-
-    @Override
-    public void onBackPressed() {
-        if (drawer.isDrawerOpen(navigationView)) {
-            drawer.closeDrawer(navigationView);
-        } else if (mDrawerItem != R.id.magisk && !fromShortcut) {
-            navigate(R.id.magisk);
-        } else {
-            finish();
-        }
-    }
-
-    @Override
-    public boolean onNavigationItemSelected(@NonNull final MenuItem menuItem) {
-        mDrawerHandler.removeCallbacksAndMessages(null);
-        mDrawerHandler.postDelayed(() -> navigate(menuItem.getItemId()), 250);
-        drawer.closeDrawer(navigationView);
-        return true;
-    }
-
-    public void checkHideSection() {
-        Menu menu = navigationView.getMenu();
-        menu.findItem(R.id.magiskhide).setVisible(Shell.rootAccess() &&
-                (boolean) Config.get(Config.Key.MAGISKHIDE));
-        menu.findItem(R.id.modules).setVisible(Shell.rootAccess() && Config.magiskVersionCode >= 0);
-        menu.findItem(R.id.downloads).setVisible(Networking.checkNetworkStatus(this)
-                && Shell.rootAccess() && Config.magiskVersionCode >= 0);
-        menu.findItem(R.id.log).setVisible(Shell.rootAccess());
-        menu.findItem(R.id.superuser).setVisible(Utils.showSuperUser());
-    }
-
-    public void navigate(String item) {
-        int itemId = R.id.magisk;
-        if (item != null) {
-            switch (item) {
-                case "superuser":
-                    itemId = R.id.superuser;
-                    break;
-                case "modules":
-                    itemId = R.id.modules;
-                    break;
-                case "downloads":
-                    itemId = R.id.downloads;
-                    break;
-                case "magiskhide":
-                    itemId = R.id.magiskhide;
-                    break;
-                case "log":
-                    itemId = R.id.log;
-                    break;
-                case "settings":
-                    itemId = R.id.settings;
-                    break;
-            }
-        }
-        navigate(itemId);
-    }
-
-    public void navigate(int itemId) {
-        mDrawerItem = itemId;
-        navigationView.setCheckedItem(itemId);
-        switch (itemId) {
-            case R.id.magisk:
-                fromShortcut = false;
-                displayFragment(new MagiskFragment(), true);
-                break;
-            case R.id.superuser:
-                displayFragment(new SuperuserFragment(), true);
-                break;
-            case R.id.modules:
-                displayFragment(new ModulesFragment(), true);
-                break;
-            case R.id.downloads:
-                displayFragment(new ReposFragment(), true);
-                break;
-            case R.id.magiskhide:
-                displayFragment(new MagiskHideFragment(), true);
-                break;
-            case R.id.log:
-                displayFragment(new LogFragment(), false);
-                break;
-            case R.id.settings:
-                displayFragment(new SettingsFragment(), true);
-                break;
-        }
-    }
-
-    private void displayFragment(@NonNull Fragment navFragment, boolean setElevation) {
-        supportInvalidateOptionsMenu();
-        getSupportFragmentManager()
-                .beginTransaction()
-                .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
-                .replace(R.id.content_frame, navFragment)
-                .commitNow();
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            toolbar.setElevation(setElevation ? toolbarElevation : 0);
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/ui/MainActivity.kt

@@ -0,0 +1,104 @@
+package com.topjohnwu.magisk.ui
+
+import android.content.Intent
+import android.os.Bundle
+import androidx.core.view.GravityCompat
+import androidx.fragment.app.Fragment
+import com.topjohnwu.magisk.ClassMap
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.Const.Key.OPEN_SECTION
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.databinding.ActivityMainBinding
+import com.topjohnwu.magisk.model.navigation.Navigation
+import com.topjohnwu.magisk.ui.base.MagiskActivity
+import com.topjohnwu.magisk.ui.hide.MagiskHideFragment
+import com.topjohnwu.magisk.ui.log.LogFragment
+import com.topjohnwu.magisk.ui.module.ModulesFragment
+import com.topjohnwu.magisk.ui.module.ReposFragment
+import com.topjohnwu.magisk.ui.settings.SettingsFragment
+import com.topjohnwu.magisk.ui.superuser.SuperuserFragment
+import com.topjohnwu.magisk.utils.Utils
+import com.topjohnwu.net.Networking
+import com.topjohnwu.superuser.Shell
+import org.koin.androidx.viewmodel.ext.android.viewModel
+import kotlin.reflect.KClass
+import com.topjohnwu.magisk.ui.home.MagiskFragment as HomeFragment
+
+
+open class MainActivity : MagiskActivity<MainViewModel, ActivityMainBinding>() {
+
+    override val layoutRes: Int = R.layout.activity_main
+    override val viewModel: MainViewModel by viewModel()
+    override val navHostId: Int = R.id.main_nav_host
+    override val defaultPosition: Int = 0
+
+    override val baseFragments: List<KClass<out Fragment>> = listOf(
+        HomeFragment::class,
+        SuperuserFragment::class,
+        MagiskHideFragment::class,
+        ModulesFragment::class,
+        ReposFragment::class,
+        LogFragment::class,
+        SettingsFragment::class
+    )
+
+    /*override fun getDarkTheme(): Int {
+        return R.style.AppTheme_Dark
+    }*/
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        if (!SplashActivity.DONE) {
+            startActivity(Intent(this, ClassMap.get<Any>(SplashActivity::class.java)))
+            finish()
+        }
+
+        super.onCreate(savedInstanceState)
+        checkHideSection()
+        setSupportActionBar(binding.mainInclude.mainToolbar)
+
+        if (savedInstanceState == null) {
+            intent.getStringExtra(OPEN_SECTION)?.let {
+                onEventDispatched(Navigation.fromSection(it))
+            }
+        }
+    }
+
+    override fun setTitle(title: CharSequence?) {
+        supportActionBar?.title = title
+    }
+
+    override fun setTitle(titleId: Int) {
+        supportActionBar?.setTitle(titleId)
+    }
+
+    override fun onBackPressed() {
+        if (binding.drawerLayout.isDrawerOpen(binding.navView)) {
+            binding.drawerLayout.closeDrawer(binding.navView)
+        } else {
+            super.onBackPressed()
+        }
+    }
+
+    override fun onSimpleEventDispatched(event: Int) {
+        super.onSimpleEventDispatched(event)
+        when (event) {
+            Navigation.Main.OPEN_NAV -> openNav()
+        }
+    }
+
+    private fun openNav() = binding.drawerLayout.openDrawer(GravityCompat.START)
+
+    fun checkHideSection() {
+        val menu = binding.navView.menu
+        menu.findItem(R.id.magiskHideFragment).isVisible =
+            Shell.rootAccess() && Config.get<Any>(Config.Key.MAGISKHIDE) as Boolean
+        menu.findItem(R.id.modulesFragment).isVisible =
+            Shell.rootAccess() && Config.magiskVersionCode >= 0
+        menu.findItem(R.id.reposFragment).isVisible =
+            (Networking.checkNetworkStatus(this) && Shell.rootAccess() && Config.magiskVersionCode >= 0)
+        menu.findItem(R.id.logFragment).isVisible =
+            Shell.rootAccess()
+        menu.findItem(R.id.superuserFragment).isVisible =
+            Utils.showSuperUser()
+    }
+}

app/src/main/java/com/topjohnwu/magisk/ui/MainViewModel.kt

@@ -0,0 +1,27 @@
+package com.topjohnwu.magisk.ui
+
+import android.view.MenuItem
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.model.navigation.Navigation
+import com.topjohnwu.magisk.ui.base.MagiskViewModel
+
+
+class MainViewModel : MagiskViewModel() {
+
+    fun navPressed() = Navigation.Main.OPEN_NAV.publish()
+
+    fun navigationItemPressed(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.magiskFragment -> Navigation.home()
+            R.id.superuserFragment -> Navigation.superuser()
+            R.id.magiskHideFragment -> Navigation.hide()
+            R.id.modulesFragment -> Navigation.modules()
+            R.id.reposFragment -> Navigation.repos()
+            R.id.logFragment -> Navigation.log()
+            R.id.settings -> Navigation.settings()
+            else -> null
+        }?.publish()?.let { return@navigationItemPressed true }
+        return false
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/ui/SplashActivity.java

@@ -1,97 +0,0 @@
-package com.topjohnwu.magisk.ui;
-
-import android.content.Intent;
-import android.content.pm.PackageManager;
-import android.os.Bundle;
-import android.text.TextUtils;
-
-import androidx.appcompat.app.AlertDialog;
-
-import com.topjohnwu.magisk.BuildConfig;
-import com.topjohnwu.magisk.ClassMap;
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.data.database.RepoDatabaseHelper;
-import com.topjohnwu.magisk.tasks.CheckUpdates;
-import com.topjohnwu.magisk.tasks.UpdateRepos;
-import com.topjohnwu.magisk.ui.base.BaseActivity;
-import com.topjohnwu.magisk.utils.LocaleManager;
-import com.topjohnwu.magisk.utils.Utils;
-import com.topjohnwu.magisk.view.Notifications;
-import com.topjohnwu.magisk.view.Shortcuts;
-import com.topjohnwu.net.Networking;
-import com.topjohnwu.superuser.Shell;
-
-public class SplashActivity extends BaseActivity {
-
-    public static boolean DONE = false;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        Shell.getShell(shell -> {
-            if (Config.magiskVersionCode > 0 &&
-                    Config.magiskVersionCode < Const.MAGISK_VER.MIN_SUPPORT) {
-                new AlertDialog.Builder(this)
-                        .setTitle(R.string.unsupport_magisk_title)
-                        .setMessage(R.string.unsupport_magisk_message)
-                        .setNegativeButton(R.string.ok, null)
-                        .setOnDismissListener(dialog -> finish())
-                        .show();
-            } else {
-                initAndStart();
-            }
-        });
-    }
-
-    private void initAndStart() {
-        String pkg = Config.get(Config.Key.SU_MANAGER);
-        if (pkg != null && getPackageName().equals(BuildConfig.APPLICATION_ID)) {
-            Config.remove(Config.Key.SU_MANAGER);
-            Shell.su("pm uninstall " + pkg).submit();
-        }
-        if (TextUtils.equals(pkg, getPackageName())) {
-            try {
-                // We are the manager, remove com.topjohnwu.magisk as it could be malware
-                getPackageManager().getApplicationInfo(BuildConfig.APPLICATION_ID, 0);
-                Shell.su("pm uninstall " + BuildConfig.APPLICATION_ID).submit();
-            } catch (PackageManager.NameNotFoundException ignored) {}
-        }
-
-        // Dynamic detect all locales
-        LocaleManager.loadAvailableLocales(R.string.app_changelog);
-
-        // Set default configs
-        Config.initialize();
-
-        // Create notification channel on Android O
-        Notifications.setup(this);
-
-        // Schedule periodic update checks
-        Utils.scheduleUpdateCheck();
-        CheckUpdates.check();
-
-        // Setup shortcuts
-        Shortcuts.setup(this);
-
-        // Create repo database
-        app.repoDB = new RepoDatabaseHelper(this);
-
-        // Magisk working as expected
-        if (Shell.rootAccess() && Config.magiskVersionCode > 0) {
-            // Load modules
-            Utils.loadModules(false);
-            // Load repos
-            if (Networking.checkNetworkStatus(this))
-                new UpdateRepos().exec();
-        }
-
-        Intent intent = new Intent(this, ClassMap.get(MainActivity.class));
-        intent.putExtra(Const.Key.OPEN_SECTION, getIntent().getStringExtra(Const.Key.OPEN_SECTION));
-        DONE = true;
-        startActivity(intent);
-        finish();
-    }
-}

app/src/main/java/com/topjohnwu/magisk/ui/SplashActivity.kt

@@ -0,0 +1,87 @@
+package com.topjohnwu.magisk.ui
+
+import android.content.Intent
+import android.os.Bundle
+import android.text.TextUtils
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.app.AppCompatActivity
+import com.topjohnwu.magisk.*
+import com.topjohnwu.magisk.tasks.CheckUpdates
+import com.topjohnwu.magisk.tasks.UpdateRepos
+import com.topjohnwu.magisk.utils.LocaleManager
+import com.topjohnwu.magisk.utils.Utils
+import com.topjohnwu.magisk.view.Notifications
+import com.topjohnwu.magisk.view.Shortcuts
+import com.topjohnwu.net.Networking
+import com.topjohnwu.superuser.Shell
+
+open class SplashActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        Shell.getShell {
+            if (Config.magiskVersionCode > 0 && Config.magiskVersionCode < Const.MAGISK_VER.MIN_SUPPORT) {
+                AlertDialog.Builder(this)
+                    .setTitle(R.string.unsupport_magisk_title)
+                    .setMessage(R.string.unsupport_magisk_message)
+                    .setNegativeButton(R.string.ok, null)
+                    .setOnDismissListener { finish() }
+                    .show()
+            } else {
+                initAndStart()
+            }
+        }
+    }
+
+    private fun initAndStart() {
+        val pkg = Config.get<String>(Config.Key.SU_MANAGER)
+        if (pkg != null && packageName == BuildConfig.APPLICATION_ID) {
+            Config.remove(Config.Key.SU_MANAGER)
+            Shell.su("pm uninstall $pkg").submit()
+        }
+        if (TextUtils.equals(pkg, packageName)) {
+            runCatching {
+                // We are the manager, remove com.topjohnwu.magisk as it could be malware
+                packageManager.getApplicationInfo(BuildConfig.APPLICATION_ID, 0)
+                Shell.su("pm uninstall " + BuildConfig.APPLICATION_ID).submit()
+            }
+        }
+
+        // Dynamic detect all locales
+        LocaleManager.loadAvailableLocales(R.string.app_changelog)
+
+        // Set default configs
+        Config.initialize()
+
+        // Create notification channel on Android O
+        Notifications.setup(this)
+
+        // Schedule periodic update checks
+        Utils.scheduleUpdateCheck()
+        CheckUpdates.check()
+
+        // Setup shortcuts
+        Shortcuts.setup(this)
+
+        // Magisk working as expected
+        if (Shell.rootAccess() && Config.magiskVersionCode > 0) {
+            // Load modules
+            Utils.loadModules(false)
+            // Load repos
+            if (Networking.checkNetworkStatus(this))
+                UpdateRepos().exec()
+        }
+
+        val intent = Intent(this, ClassMap.get<Any>(MainActivity::class.java))
+        intent.putExtra(Const.Key.OPEN_SECTION, getIntent().getStringExtra(Const.Key.OPEN_SECTION))
+        DONE = true
+        startActivity(intent)
+        finish()
+    }
+
+    companion object {
+
+        var DONE = false
+    }
+}

app/src/main/java/com/topjohnwu/magisk/ui/base/ActivityResultListener.kt

@@ -0,0 +1,7 @@
+package com.topjohnwu.magisk.ui.base
+
+import android.content.Intent
+
+interface ActivityResultListener {
+    fun onActivityResult(resultCode: Int, data: Intent?)
+}

app/src/main/java/com/topjohnwu/magisk/ui/base/BaseActivity.java

@@ -1,159 +0,0 @@
-package com.topjohnwu.magisk.ui.base;
-
-import android.Manifest;
-import android.content.Context;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.content.pm.ActivityInfo;
-import android.content.pm.PackageManager;
-import android.os.Build;
-import android.os.Bundle;
-import android.text.TextUtils;
-import android.view.WindowManager;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.annotation.StyleRes;
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.collection.SparseArrayCompat;
-import androidx.core.app.ActivityCompat;
-import androidx.core.content.ContextCompat;
-
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.utils.Event;
-import com.topjohnwu.magisk.utils.LocaleManager;
-
-public abstract class BaseActivity extends AppCompatActivity implements Event.AutoListener {
-
-    static int[] EMPTY_INT_ARRAY = new int[0];
-
-    private SparseArrayCompat<ActivityResultListener> resultListeners = new SparseArrayCompat<>();
-    public App app = App.self;
-
-    @Override
-    public int[] getListeningEvents() {
-        return EMPTY_INT_ARRAY;
-    }
-
-    @Override
-    public void onEvent(int event) {}
-
-    @StyleRes
-    public int getDarkTheme() {
-        return -1;
-    }
-
-    @Override
-    protected void attachBaseContext(Context base) {
-        super.attachBaseContext(LocaleManager.getLocaleContext(base, LocaleManager.locale));
-    }
-
-    @Override
-    protected void onCreate(@Nullable Bundle savedInstanceState) {
-        Event.register(this);
-        if (getDarkTheme() != -1 && (boolean) Config.get(Config.Key.DARK_THEME)) {
-            setTheme(getDarkTheme());
-        }
-        super.onCreate(savedInstanceState);
-    }
-
-    @Override
-    protected void onDestroy() {
-        Event.unregister(this);
-        super.onDestroy();
-    }
-
-    protected void setFloating() {
-        boolean isTablet = getResources().getBoolean(R.bool.isTablet);
-        if (isTablet) {
-            WindowManager.LayoutParams params = getWindow().getAttributes();
-            params.height = getResources().getDimensionPixelSize(R.dimen.floating_height);
-            params.width = getResources().getDimensionPixelSize(R.dimen.floating_width);
-            params.alpha = 1.0f;
-            params.dimAmount = 0.6f;
-            params.flags |= 2;
-            getWindow().setAttributes(params);
-            setFinishOnTouchOutside(true);
-        }
-    }
-
-    protected void lockOrientation() {
-        if (Build.VERSION.SDK_INT < 18)
-            setRequestedOrientation(getResources().getConfiguration().orientation);
-        else
-            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LOCKED);
-    }
-
-    public void runWithExternalRW(Runnable callback) {
-        runWithPermissions(new String[] { Manifest.permission.WRITE_EXTERNAL_STORAGE }, callback);
-    }
-
-    public void runWithPermissions(String[] permissions, Runnable callback) {
-        runWithPermissions(this, permissions, callback);
-    }
-
-    public static void runWithPermissions(Context context, String[] permissions, Runnable callback) {
-        boolean granted = true;
-        for (String perm : permissions) {
-            if (ContextCompat.checkSelfPermission(context, perm) != PackageManager.PERMISSION_GRANTED)
-                granted = false;
-        }
-        if (granted) {
-            Const.EXTERNAL_PATH.mkdirs();
-            callback.run();
-        } else {
-            // Passed in context should be an activity if not granted, need to show dialog!
-            if (context instanceof BaseActivity) {
-                BaseActivity activity = (BaseActivity) context;
-                int code = callback.hashCode() & 0xFFFF;
-                activity.resultListeners.put(code, ((i, d) -> callback.run()));
-                ActivityCompat.requestPermissions(activity, permissions, code);
-            }
-        }
-    }
-
-    @Override
-    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
-        onActivityResultListener(requestCode, resultCode, data);
-    }
-
-    private void onActivityResultListener(int requestCode, int resultCode, Intent data) {
-        ActivityResultListener listener = resultListeners.get(requestCode);
-        if (listener != null) {
-            resultListeners.remove(requestCode);
-            listener.onActivityResult(resultCode, data);
-        }
-    }
-
-    public void startActivityForResult(Intent intent, int requestCode, ActivityResultListener listener) {
-        resultListeners.put(requestCode, listener);
-        super.startActivityForResult(intent, requestCode);
-    }
-
-    @Override
-    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
-        boolean grant = true;
-        for (int result : grantResults) {
-            if (result != PackageManager.PERMISSION_GRANTED)
-                grant = false;
-        }
-        if (grant)
-            onActivityResultListener(requestCode, 0, null);
-        else
-            resultListeners.remove(requestCode);
-    }
-
-    public interface ActivityResultListener {
-        void onActivityResult(int resultCode, Intent data);
-    }
-
-    @Override
-    public SharedPreferences getSharedPreferences(String name, int mode) {
-        if (TextUtils.equals(name, getPackageName() + "_preferences"))
-            return app.prefs;
-        return super.getSharedPreferences(name, mode);
-    }
-}

app/src/main/java/com/topjohnwu/magisk/ui/base/BaseFragment.java

@@ -1,58 +0,0 @@
-package com.topjohnwu.magisk.ui.base;
-
-import android.content.Intent;
-
-import androidx.fragment.app.Fragment;
-
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.utils.Event;
-
-import butterknife.Unbinder;
-
-public abstract class BaseFragment extends Fragment implements Event.AutoListener {
-
-    public App app = App.self;
-    protected Unbinder unbinder = null;
-
-    @Override
-    public void onResume() {
-        super.onResume();
-        Event.register(this);
-    }
-
-    @Override
-    public void onPause() {
-        Event.unregister(this);
-        super.onPause();
-    }
-
-    @Override
-    public void onDestroyView() {
-        super.onDestroyView();
-        if (unbinder != null)
-            unbinder.unbind();
-    }
-
-    @Override
-    public void startActivityForResult(Intent intent, int requestCode) {
-        startActivityForResult(intent, requestCode, (resultCode, data) ->
-                onActivityResult(requestCode, resultCode, data));
-    }
-
-    public void startActivityForResult(Intent intent, int requestCode,
-                                       BaseActivity.ActivityResultListener listener) {
-        ((BaseActivity) requireActivity()).startActivityForResult(intent, requestCode, listener);
-    }
-
-    protected void runWithExternalRW(Runnable callback) {
-        ((BaseActivity) requireActivity()).runWithExternalRW(callback);
-    }
-
-    @Override
-    public int[] getListeningEvents() {
-        return BaseActivity.EMPTY_INT_ARRAY;
-    }
-
-    @Override
-    public void onEvent(int event) {}
-}

app/src/main/java/com/topjohnwu/magisk/ui/base/BasePreferenceFragment.java

@@ -8,6 +8,10 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
+import com.topjohnwu.magisk.App;
+import com.topjohnwu.magisk.R;
+import com.topjohnwu.magisk.utils.Event;
+
 import androidx.preference.Preference;
 import androidx.preference.PreferenceCategory;
 import androidx.preference.PreferenceFragmentCompat;
@@ -16,10 +20,6 @@ import androidx.preference.PreferenceScreen;
 import androidx.preference.PreferenceViewHolder;
 import androidx.recyclerview.widget.RecyclerView;
 
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.utils.Event;
-
 public abstract class BasePreferenceFragment extends PreferenceFragmentCompat
         implements SharedPreferences.OnSharedPreferenceChangeListener, Event.AutoListener {
 
@@ -28,21 +28,21 @@ public abstract class BasePreferenceFragment extends PreferenceFragmentCompat
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         View v = super.onCreateView(inflater, container, savedInstanceState);
-        app.prefs.registerOnSharedPreferenceChangeListener(this);
+        app.getPrefs().registerOnSharedPreferenceChangeListener(this);
         Event.register(this);
         return v;
     }
 
     @Override
     public void onDestroyView() {
-        app.prefs.unregisterOnSharedPreferenceChangeListener(this);
+        app.getPrefs().unregisterOnSharedPreferenceChangeListener(this);
         Event.unregister(this);
         super.onDestroyView();
     }
 
     @Override
     public int[] getListeningEvents() {
-        return BaseActivity.EMPTY_INT_ARRAY;
+        return new int[0];
     }
 
     @Override

app/src/main/java/com/topjohnwu/magisk/ui/base/IBaseLeanback.kt

@@ -0,0 +1,11 @@
+package com.topjohnwu.magisk.ui.base
+
+import android.content.Intent
+
+interface IBaseLeanback {
+
+    fun runWithExternalRW(callback: Runnable)
+    fun runWithPermissions(vararg permissions: String, callback: Runnable)
+    fun startActivityForResult(intent: Intent, requestCode: Int, listener: ActivityResultListener)
+
+}

app/src/main/java/com/topjohnwu/magisk/ui/base/MagiskActivity.kt

@@ -0,0 +1,191 @@
+package com.topjohnwu.magisk.ui.base
+
+import android.content.Intent
+import android.os.Bundle
+import androidx.annotation.CallSuper
+import androidx.appcompat.app.AppCompatDelegate
+import androidx.core.net.toUri
+import androidx.databinding.ViewDataBinding
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentTransaction
+import com.karumi.dexter.Dexter
+import com.karumi.dexter.MultiplePermissionsReport
+import com.karumi.dexter.PermissionToken
+import com.karumi.dexter.listener.PermissionRequest
+import com.karumi.dexter.listener.multi.MultiplePermissionsListener
+import com.ncapdevi.fragnav.FragNavController
+import com.ncapdevi.fragnav.FragNavTransactionOptions
+import com.skoumal.teanity.viewevents.ViewEvent
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.model.events.BackPressEvent
+import com.topjohnwu.magisk.model.events.PermissionEvent
+import com.topjohnwu.magisk.model.events.ViewActionEvent
+import com.topjohnwu.magisk.model.navigation.MagiskAnimBuilder
+import com.topjohnwu.magisk.model.navigation.MagiskNavigationEvent
+import com.topjohnwu.magisk.model.navigation.Navigator
+import com.topjohnwu.magisk.model.permissions.PermissionRequestBuilder
+import com.topjohnwu.magisk.utils.Utils
+import timber.log.Timber
+import kotlin.reflect.KClass
+
+
+abstract class MagiskActivity<ViewModel : MagiskViewModel, Binding : ViewDataBinding> :
+    MagiskLeanbackActivity<ViewModel, Binding>(), FragNavController.RootFragmentListener,
+    Navigator {
+
+    override val numberOfRootFragments: Int get() = baseFragments.size
+    override val baseFragments: List<KClass<out Fragment>> = listOf()
+
+    protected open val defaultPosition: Int = 0
+
+    protected val navigationController get() = if (navHostId == 0) null else _navigationController
+    private val _navigationController by lazy {
+        if (navHostId == 0) throw IllegalStateException("Did you forget to override \"navHostId\"?")
+        FragNavController(supportFragmentManager, navHostId)
+    }
+
+    init {
+        val isDarkTheme = Config.get<Boolean>(Config.Key.DARK_THEME)
+        val theme = if (isDarkTheme) {
+            AppCompatDelegate.MODE_NIGHT_YES
+        } else {
+            AppCompatDelegate.MODE_NIGHT_NO
+        }
+        AppCompatDelegate.setDefaultNightMode(theme)
+        AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        navigationController?.apply {
+            rootFragmentListener = this@MagiskActivity
+            initialize(defaultPosition, savedInstanceState)
+        }
+    }
+
+    override fun onSaveInstanceState(outState: Bundle) {
+        super.onSaveInstanceState(outState)
+        navigationController?.onSaveInstanceState(outState)
+    }
+
+    @CallSuper
+    override fun onEventDispatched(event: ViewEvent) {
+        super.onEventDispatched(event)
+        when (event) {
+            is BackPressEvent -> onBackPressed()
+            is MagiskNavigationEvent -> navigateTo(event)
+            is ViewActionEvent -> event.action(this)
+            is PermissionEvent -> withPermissions(*event.permissions.toTypedArray()) {
+                onSuccess { event.callback.onNext(true) }
+                onFailure {
+                    event.callback.onNext(false)
+                    event.callback.onError(SecurityException("User refused permissions"))
+                }
+            }
+        }
+    }
+
+    override fun getRootFragment(index: Int) = baseFragments[index].java.newInstance()
+
+    override fun navigateTo(event: MagiskNavigationEvent) {
+        val directions = event.navDirections
+
+        navigationController?.defaultTransactionOptions = FragNavTransactionOptions.newBuilder()
+            .customAnimations(event.animOptions)
+            .build()
+
+        navigationController?.currentStack
+            ?.indexOfFirst { it.javaClass == event.navOptions.popUpTo }
+            ?.let { if (it == -1) null else it } // invalidate if class is not found
+            ?.let { if (event.navOptions.inclusive) it + 1 else it }
+            ?.let { navigationController?.popFragments(it) }
+
+        when (directions.isActivity) {
+            true -> navigateToActivity(event)
+            else -> navigateToFragment(event)
+        }
+    }
+
+    private fun navigateToActivity(event: MagiskNavigationEvent) {
+        val destination = event.navDirections.destination?.java ?: let {
+            Timber.e("Cannot navigate to null destination")
+            return
+        }
+        val options = event.navOptions
+
+        Intent(this, destination)
+            .putExtras(event.navDirections.args)
+            .apply {
+                if (options.singleTop) addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP)
+                if (options.clearTask) addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK)
+            }
+            .let { startActivity(it) }
+    }
+
+    private fun navigateToFragment(event: MagiskNavigationEvent) {
+        val destination = event.navDirections.destination?.java ?: let {
+            Timber.e("Cannot navigate to null destination")
+            return
+        }
+
+        when (val index = baseFragments.indexOfFirst { it.java.name == destination.name }) {
+            -1 -> destination.newInstance()
+                .apply { arguments = event.navDirections.args }
+                .let { navigationController?.pushFragment(it) }
+            // When it's desired that fragments of same class are put on top of one another edit this
+            else -> navigationController?.switchTab(index)
+        }
+    }
+
+    override fun onBackPressed() {
+        val fragment = navigationController?.currentFrag as? MagiskFragment<*, *>
+
+        if (fragment?.onBackPressed() == true) {
+            return
+        }
+
+        try {
+            navigationController?.popFragment() ?: throw UnsupportedOperationException()
+        } catch (e: UnsupportedOperationException) {
+            when {
+                navigationController?.currentStackIndex != defaultPosition -> {
+                    val options = FragNavTransactionOptions.newBuilder()
+                        .transition(FragmentTransaction.TRANSIT_FRAGMENT_CLOSE)
+                        .build()
+                    navigationController?.switchTab(defaultPosition, options)
+                }
+                else -> super.onBackPressed()
+            }
+        }
+    }
+
+    fun openUrl(url: String) = Utils.openLink(this, url.toUri())
+
+    fun withPermissions(vararg permissions: String, builder: PermissionRequestBuilder.() -> Unit) {
+        val request = PermissionRequestBuilder().apply(builder).build()
+        Dexter.withActivity(this)
+            .withPermissions(*permissions)
+            .withListener(object : MultiplePermissionsListener {
+                override fun onPermissionsChecked(report: MultiplePermissionsReport?) =
+                    if (report?.areAllPermissionsGranted() == true) {
+                        request.onSuccess()
+                    } else {
+                        request.onFailure()
+                    }
+
+                override fun onPermissionRationaleShouldBeShown(
+                    permissions: MutableList<PermissionRequest>?,
+                    token: PermissionToken?
+                ) = request.onShowRationale(permissions.orEmpty().map { it.name })
+            })
+            .check()
+    }
+
+    private fun FragNavTransactionOptions.Builder.customAnimations(options: MagiskAnimBuilder) =
+        customAnimations(options.enter, options.exit, options.popEnter, options.popExit).apply {
+            if (!options.anySet) {
+                transition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
+            }
+        }
+
+}

app/src/main/java/com/topjohnwu/magisk/ui/base/MagiskFragment.kt

@@ -0,0 +1,52 @@
+package com.topjohnwu.magisk.ui.base
+
+import androidx.annotation.CallSuper
+import androidx.databinding.ViewDataBinding
+import androidx.fragment.app.Fragment
+import com.skoumal.teanity.view.TeanityFragment
+import com.skoumal.teanity.viewevents.ViewEvent
+import com.topjohnwu.magisk.model.events.BackPressEvent
+import com.topjohnwu.magisk.model.events.PermissionEvent
+import com.topjohnwu.magisk.model.events.ViewActionEvent
+import com.topjohnwu.magisk.model.navigation.MagiskNavigationEvent
+import com.topjohnwu.magisk.model.navigation.Navigator
+import com.topjohnwu.magisk.model.permissions.PermissionRequestBuilder
+import kotlin.reflect.KClass
+
+
+abstract class MagiskFragment<ViewModel : MagiskViewModel, Binding : ViewDataBinding> :
+    TeanityFragment<ViewModel, Binding>(), Navigator {
+
+    protected val magiskActivity get() = activity as MagiskActivity<*, *>
+
+    // We don't need nested fragments
+    override val baseFragments: List<KClass<Fragment>> = listOf()
+
+    override fun navigateTo(event: MagiskNavigationEvent) = magiskActivity.navigateTo(event)
+
+    @CallSuper
+    override fun onEventDispatched(event: ViewEvent) {
+        super.onEventDispatched(event)
+        when (event) {
+            is BackPressEvent -> magiskActivity.onBackPressed()
+            is MagiskNavigationEvent -> navigateTo(event)
+            is ViewActionEvent -> event.action(requireActivity())
+            is PermissionEvent -> magiskActivity.withPermissions(*event.permissions.toTypedArray()) {
+                onSuccess { event.callback.onNext(true) }
+                onFailure {
+                    event.callback.onNext(false)
+                    event.callback.onError(SecurityException("User refused permissions"))
+                }
+            }
+        }
+    }
+
+    fun withPermissions(vararg permissions: String, builder: PermissionRequestBuilder.() -> Unit) {
+        magiskActivity.withPermissions(*permissions, builder = builder)
+    }
+
+    fun openLink(url: String) = magiskActivity.openUrl(url)
+
+    open fun onBackPressed(): Boolean = false
+
+}

app/src/main/java/com/topjohnwu/magisk/ui/base/MagiskLeanbackActivity.kt

@@ -0,0 +1,64 @@
+package com.topjohnwu.magisk.ui.base
+
+import android.Manifest
+import android.content.Intent
+import androidx.collection.SparseArrayCompat
+import androidx.databinding.ViewDataBinding
+import com.karumi.dexter.Dexter
+import com.karumi.dexter.MultiplePermissionsReport
+import com.karumi.dexter.PermissionToken
+import com.karumi.dexter.listener.PermissionRequest
+import com.karumi.dexter.listener.multi.MultiplePermissionsListener
+import com.skoumal.teanity.view.TeanityActivity
+import com.topjohnwu.magisk.Const
+
+abstract class MagiskLeanbackActivity<ViewModel : MagiskViewModel, Binding : ViewDataBinding> :
+    TeanityActivity<ViewModel, Binding>(), IBaseLeanback {
+
+    private val resultListeners = SparseArrayCompat<ActivityResultListener>()
+
+    @Deprecated("Permissions will be checked in a different streamlined way")
+    fun runWithExternalRW(callback: () -> Unit) = runWithExternalRW(Runnable { callback() })
+
+    @Deprecated("Permissions will be checked in a different streamlined way")
+    override fun runWithExternalRW(callback: Runnable) {
+        runWithPermissions(Manifest.permission.WRITE_EXTERNAL_STORAGE, callback = callback)
+    }
+
+    @Deprecated("Permissions will be checked in a different streamlined way")
+    override fun runWithPermissions(vararg permissions: String, callback: Runnable) {
+        Dexter.withActivity(this)
+            .withPermissions(*permissions)
+            .withListener(object : MultiplePermissionsListener {
+                override fun onPermissionsChecked(report: MultiplePermissionsReport?) {
+                    if (report?.areAllPermissionsGranted() == true) {
+                        Const.EXTERNAL_PATH.mkdirs()
+                        callback.run()
+                    }
+                }
+
+                override fun onPermissionRationaleShouldBeShown(
+                    permissions: MutableList<PermissionRequest>?,
+                    token: PermissionToken?
+                ) = Unit
+            })
+            .check()
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        resultListeners.get(requestCode)?.apply {
+            resultListeners.remove(requestCode)
+            onActivityResult(resultCode, data)
+        }
+    }
+
+    override fun startActivityForResult(
+        intent: Intent,
+        requestCode: Int,
+        listener: ActivityResultListener
+    ) {
+        resultListeners.put(requestCode, listener)
+        startActivityForResult(intent, requestCode)
+    }
+}

app/src/main/java/com/topjohnwu/magisk/ui/base/MagiskViewModel.kt

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.ui.base
+
+import android.app.Activity
+import com.skoumal.teanity.viewmodel.LoadingViewModel
+import com.topjohnwu.magisk.model.events.BackPressEvent
+import com.topjohnwu.magisk.model.events.PermissionEvent
+import com.topjohnwu.magisk.model.events.ViewActionEvent
+import com.topjohnwu.magisk.utils.Event
+import io.reactivex.Observable
+import io.reactivex.subjects.PublishSubject
+import timber.log.Timber
+
+
+abstract class MagiskViewModel : LoadingViewModel(), Event.AutoListener {
+
+    override fun onEvent(event: Int) = Timber.i("Event of $event was not handled")
+    override fun getListeningEvents(): IntArray = intArrayOf()
+
+    fun withView(action: Activity.() -> Unit) {
+        ViewActionEvent(action).publish()
+    }
+
+    fun withPermissions(vararg permissions: String): Observable<Boolean> {
+        val subject = PublishSubject.create<Boolean>()
+        return subject.doOnSubscribe { PermissionEvent(permissions.toList(), subject).publish() }
+    }
+
+    fun back() = BackPressEvent().publish()
+
+}

app/src/main/java/com/topjohnwu/magisk/ui/flash/FlashActivity.java

@@ -1,274 +0,0 @@
-package com.topjohnwu.magisk.ui.flash;
-
-import android.content.Intent;
-import android.net.Uri;
-import android.os.Bundle;
-import android.view.View;
-import android.widget.Button;
-import android.widget.LinearLayout;
-import android.widget.Toast;
-
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.ActionBar;
-import androidx.appcompat.widget.Toolbar;
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.model.adapters.StringListAdapter;
-import com.topjohnwu.magisk.tasks.FlashZip;
-import com.topjohnwu.magisk.tasks.MagiskInstaller;
-import com.topjohnwu.magisk.ui.base.BaseActivity;
-import com.topjohnwu.magisk.utils.RootUtils;
-import com.topjohnwu.magisk.utils.Utils;
-import com.topjohnwu.superuser.CallbackList;
-import com.topjohnwu.superuser.Shell;
-import com.topjohnwu.superuser.internal.UiThreadHandler;
-
-import java.io.File;
-import java.io.FileWriter;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Calendar;
-import java.util.Collections;
-import java.util.List;
-import java.util.Locale;
-
-import butterknife.BindColor;
-import butterknife.BindView;
-import butterknife.OnClick;
-
-public class FlashActivity extends BaseActivity {
-
-    @BindView(R.id.toolbar) Toolbar toolbar;
-    @BindView(R.id.button_panel) LinearLayout buttonPanel;
-    @BindView(R.id.reboot) Button reboot;
-    @BindView(R.id.recyclerView) RecyclerView rv;
-    @BindColor(android.R.color.white) int white;
-
-    private List<String> console, logs;
-
-    @OnClick(R.id.reboot)
-    void reboot() {
-        RootUtils.reboot();
-    }
-
-    @OnClick(R.id.save_logs)
-    void saveLogs() {
-        runWithExternalRW(() -> {
-            Calendar now = Calendar.getInstance();
-            String filename = String.format(Locale.US,
-                    "magisk_install_log_%04d%02d%02d_%02d%02d%02d.log",
-                    now.get(Calendar.YEAR), now.get(Calendar.MONTH) + 1,
-                    now.get(Calendar.DAY_OF_MONTH), now.get(Calendar.HOUR_OF_DAY),
-                    now.get(Calendar.MINUTE), now.get(Calendar.SECOND));
-
-            File logFile = new File(Const.EXTERNAL_PATH, filename);
-            try (FileWriter writer = new FileWriter(logFile)) {
-                for (String s : logs) {
-                    writer.write(s);
-                    writer.write('\n');
-                }
-            } catch (IOException e) {
-                e.printStackTrace();
-                return;
-            }
-            Utils.toast(logFile.getPath(), Toast.LENGTH_LONG);
-        });
-    }
-
-    @OnClick(R.id.close)
-    public void close() {
-        finish();
-    }
-
-    @Override
-    public void onBackPressed() {
-        // Prevent user accidentally press back button
-    }
-
-    @Override
-    public int getDarkTheme() {
-        return R.style.AppTheme_NoDrawer_Dark;
-    }
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_flash);
-        new FlashActivity_ViewBinding(this);
-
-        setSupportActionBar(toolbar);
-        ActionBar ab = getSupportActionBar();
-        if (ab != null) {
-            ab.setTitle(R.string.flashing);
-        }
-        setFloating();
-        setFinishOnTouchOutside(false);
-        if (!Shell.rootAccess())
-            reboot.setVisibility(View.GONE);
-
-        logs = Collections.synchronizedList(new ArrayList<>());
-        console = new ConsoleList();
-        rv.setAdapter(new ConsoleAdapter());
-
-        Intent intent = getIntent();
-        Uri uri = intent.getData();
-
-        switch (intent.getStringExtra(Const.Key.FLASH_ACTION)) {
-            case Const.Value.FLASH_ZIP:
-                new FlashModule(uri).exec();
-                break;
-            case Const.Value.UNINSTALL:
-                new Uninstall(uri).exec();
-                break;
-            case Const.Value.FLASH_MAGISK:
-                new DirectInstall().exec();
-                break;
-            case Const.Value.FLASH_INACTIVE_SLOT:
-                new SecondSlot().exec();
-                break;
-            case Const.Value.PATCH_FILE:
-                new PatchFile(uri).exec();
-                break;
-        }
-    }
-
-    private class ConsoleAdapter extends StringListAdapter<ConsoleAdapter.ViewHolder> {
-
-        ConsoleAdapter() {
-            super(console, true);
-        }
-
-        @Override
-        protected int itemLayoutRes() {
-            return R.layout.list_item_console;
-        }
-
-        @NonNull
-        @Override
-        public ViewHolder createViewHolder(@NonNull View v) {
-            return new ViewHolder(v);
-        }
-
-        class ViewHolder extends StringListAdapter.ViewHolder {
-
-            public ViewHolder(@NonNull View itemView) {
-                super(itemView);
-                txt.setTextColor(white);
-            }
-
-            @Override
-            protected int textViewResId() {
-                return R.id.txt;
-            }
-        }
-    }
-
-    private class ConsoleList extends CallbackList<String> {
-
-        ConsoleList() {
-            super(new ArrayList<>());
-        }
-
-        private void updateUI() {
-            rv.getAdapter().notifyItemChanged(size() - 1);
-            rv.postDelayed(() -> rv.smoothScrollToPosition(size() - 1), 10);
-        }
-
-        @Override
-        public void onAddElement(String s) {
-            logs.add(s);
-            updateUI();
-        }
-
-        @Override
-        public String set(int i, String s) {
-            String ret = super.set(i, s);
-            UiThreadHandler.run(this::updateUI);
-            return ret;
-        }
-    }
-
-    private class FlashModule extends FlashZip {
-
-        FlashModule(Uri uri) {
-            super(uri, console, logs);
-        }
-
-        @Override
-        protected void onResult(boolean success) {
-            if (success) {
-                Utils.loadModules();
-            } else {
-                console.add("! Installation failed");
-                reboot.setVisibility(View.GONE);
-            }
-            buttonPanel.setVisibility(View.VISIBLE);
-        }
-    }
-
-    private class Uninstall extends FlashModule {
-
-        Uninstall(Uri uri) {
-            super(uri);
-        }
-
-        @Override
-        protected void onResult(boolean success) {
-            if (success)
-                UiThreadHandler.handler.postDelayed(Shell.su("pm uninstall " + getPackageName())::exec, 3000);
-            else
-                super.onResult(false);
-        }
-    }
-
-    private abstract class BaseInstaller extends MagiskInstaller {
-        BaseInstaller() {
-            super(console, logs);
-        }
-
-        @Override
-        protected void onResult(boolean success) {
-            if (success) {
-                console.add("- All done!");
-            } else {
-                Shell.sh("rm -rf " + installDir).submit();
-                console.add("! Installation failed");
-                reboot.setVisibility(View.GONE);
-            }
-            buttonPanel.setVisibility(View.VISIBLE);
-        }
-    }
-
-    private class DirectInstall extends BaseInstaller {
-
-        @Override
-        protected boolean operations() {
-            return findImage() && extractZip() && patchBoot() && flashBoot();
-        }
-    }
-
-    private class SecondSlot extends BaseInstaller {
-
-        @Override
-        protected boolean operations() {
-            return findSecondaryImage() && extractZip() && patchBoot() && flashBoot() && postOTA();
-        }
-    }
-
-    private class PatchFile extends BaseInstaller {
-
-        private Uri uri;
-
-        PatchFile(Uri u) {
-            uri = u;
-        }
-
-        @Override
-        protected boolean operations() {
-            return extractZip() && handleFile(uri) && patchBoot() && storeBoot();
-        }
-    }
-
-}

app/src/main/java/com/topjohnwu/magisk/ui/flash/FlashActivity.kt

@@ -0,0 +1,24 @@
+package com.topjohnwu.magisk.ui.flash
+
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.databinding.ActivityFlashBinding
+import com.topjohnwu.magisk.ui.base.MagiskActivity
+import org.koin.androidx.viewmodel.ext.android.viewModel
+import org.koin.core.parameter.parametersOf
+
+open class FlashActivity : MagiskActivity<FlashViewModel, ActivityFlashBinding>() {
+
+    override val layoutRes: Int = R.layout.activity_flash
+    override val viewModel: FlashViewModel by viewModel {
+        val uri = intent.data
+        val action = intent.getStringExtra(Const.Key.FLASH_ACTION) ?: let { finish();"" }
+        parametersOf(action, uri)
+    }
+
+    override fun onBackPressed() {
+        if (viewModel.loading) return
+        super.onBackPressed()
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/ui/flash/FlashViewModel.kt

@@ -0,0 +1,104 @@
+package com.topjohnwu.magisk.ui.flash
+
+import android.Manifest.permission.READ_EXTERNAL_STORAGE
+import android.Manifest.permission.WRITE_EXTERNAL_STORAGE
+import android.content.res.Resources
+import android.net.Uri
+import android.os.Handler
+import androidx.core.os.postDelayed
+import androidx.databinding.ObservableArrayList
+import com.skoumal.teanity.databinding.ComparableRvItem
+import com.skoumal.teanity.extensions.subscribeK
+import com.skoumal.teanity.util.DiffObservableList
+import com.skoumal.teanity.util.KObservableField
+import com.skoumal.teanity.viewevents.SnackbarEvent
+import com.topjohnwu.magisk.BR
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.model.entity.recycler.ConsoleRvItem
+import com.topjohnwu.magisk.model.flash.FlashResultListener
+import com.topjohnwu.magisk.model.flash.Flashing
+import com.topjohnwu.magisk.model.flash.Patching
+import com.topjohnwu.magisk.ui.base.MagiskViewModel
+import com.topjohnwu.magisk.utils.*
+import com.topjohnwu.superuser.Shell
+import me.tatarka.bindingcollectionadapter2.ItemBinding
+import java.io.File
+
+class FlashViewModel(
+    action: String,
+    uri: Uri?,
+    private val resources: Resources
+) : MagiskViewModel(), FlashResultListener {
+
+    val canShowReboot = Shell.rootAccess()
+    val showRestartTitle = KObservableField(false)
+
+    val behaviorText = KObservableField(resources.getString(R.string.flashing))
+
+    val items = DiffObservableList(ComparableRvItem.callback)
+    val itemBinding = ItemBinding.of<ComparableRvItem<*>> { itemBinding, _, item ->
+        item.bind(itemBinding)
+        itemBinding.bindExtra(BR.viewModel, this@FlashViewModel)
+    }
+
+    private val rawItems = ObservableArrayList<String>()
+
+    init {
+        rawItems.sendUpdatesTo(items) { it.map { ConsoleRvItem(it) } }
+
+        state = State.LOADING
+
+        val uri = uri ?: Uri.EMPTY
+        when (action) {
+            Const.Value.FLASH_ZIP -> Flashing
+                .Install(uri, rawItems, rawItems, this)
+                .exec()
+            Const.Value.UNINSTALL -> Flashing
+                .Uninstall(uri, rawItems, rawItems, this)
+                .exec()
+            Const.Value.FLASH_MAGISK -> Patching
+                .Direct(rawItems, rawItems, this)
+                .exec()
+            Const.Value.FLASH_INACTIVE_SLOT -> Patching
+                .SecondSlot(rawItems, rawItems, this)
+                .exec()
+            Const.Value.PATCH_FILE -> Patching
+                .File(uri, rawItems, rawItems, this)
+                .exec()
+        }
+    }
+
+    override fun onResult(isSuccess: Boolean) {
+        state = if (isSuccess) State.LOADED else State.LOADING_FAILED
+        behaviorText.value = when {
+            isSuccess -> resources.getString(R.string.done)
+            else -> resources.getString(R.string.failure)
+        }
+
+        if (isSuccess) {
+            Handler().postDelayed(500) {
+                showRestartTitle.value = true
+            }
+        }
+    }
+
+    fun savePressed() = withPermissions(READ_EXTERNAL_STORAGE, WRITE_EXTERNAL_STORAGE)
+        .map { now }
+        .map { it.toTime(timeFormatFull) }
+        .map { Const.MAGISK_INSTALL_LOG_FILENAME.format(it) }
+        .map { File(Const.EXTERNAL_PATH, it) }
+        .map { file ->
+            val log = items.filterIsInstance<ConsoleRvItem>()
+                .joinToString("\n") { it.item }
+            file.writeText(log)
+            file.path
+        }
+        .subscribeK { SnackbarEvent(it).publish() }
+        .add()
+
+    fun restartPressed() = RootUtils.reboot()
+
+    fun backPressed() = back()
+
+}

app/src/main/java/com/topjohnwu/magisk/ui/hide/HideViewModel.kt

@@ -0,0 +1,123 @@
+package com.topjohnwu.magisk.ui.hide
+
+import android.content.pm.ApplicationInfo
+import android.content.pm.PackageManager
+import com.skoumal.teanity.databinding.ComparableRvItem
+import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
+import com.skoumal.teanity.extensions.subscribeK
+import com.skoumal.teanity.rxbus.RxBus
+import com.skoumal.teanity.util.DiffObservableList
+import com.skoumal.teanity.util.KObservableField
+import com.topjohnwu.magisk.App
+import com.topjohnwu.magisk.BR
+import com.topjohnwu.magisk.model.entity.HideAppInfo
+import com.topjohnwu.magisk.model.entity.HideTarget
+import com.topjohnwu.magisk.model.entity.recycler.HideProcessRvItem
+import com.topjohnwu.magisk.model.entity.recycler.HideRvItem
+import com.topjohnwu.magisk.model.events.HideProcessEvent
+import com.topjohnwu.magisk.ui.base.MagiskViewModel
+import com.topjohnwu.magisk.utils.Utils
+import com.topjohnwu.magisk.utils.toSingle
+import com.topjohnwu.magisk.utils.update
+import com.topjohnwu.superuser.Shell
+import io.reactivex.Single
+import me.tatarka.bindingcollectionadapter2.OnItemBind
+import timber.log.Timber
+
+class HideViewModel(
+    private val packageManager: PackageManager,
+    rxBus: RxBus
+) : MagiskViewModel() {
+
+    val query = KObservableField("")
+    val isShowSystem = KObservableField(false)
+
+    private val allItems = mutableListOf<ComparableRvItem<*>>()
+    val items = DiffObservableList(ComparableRvItem.callback)
+    val itemBinding = OnItemBind<ComparableRvItem<*>> { itemBinding, _, item ->
+        item.bind(itemBinding)
+        itemBinding.bindExtra(BR.viewModel, this@HideViewModel)
+    }
+
+    init {
+        rxBus.register<HideProcessEvent>()
+            .subscribeK { toggleItem(it.item) }
+            .add()
+
+        isShowSystem.addOnPropertyChangedCallback { query() }
+        query.addOnPropertyChangedCallback { query() }
+
+        refresh()
+    }
+
+    fun refresh() {
+        // fetching this for every item is nonsensical, so we add .cache() so the response is all
+        // the same for every single mapped item, it only actually executes the whole thing the
+        // first time around.
+        val hideTargets = Shell.su("magiskhide --ls").toSingle()
+            .map { it.exec().out }
+            .flattenAsFlowable { it }
+            .map { HideTarget(it) }
+            .toList()
+            .cache()
+
+        Single.fromCallable { packageManager.getInstalledApplications(0) }
+            .flattenAsFlowable { it }
+            .filter { it.enabled && !blacklist.contains(it.packageName) }
+            .map {
+                val label = Utils.getAppLabel(it, packageManager)
+                val icon = it.loadIcon(packageManager)
+                HideAppInfo(it, label, icon)
+            }
+            .filter { it.processes.isNotEmpty() }
+            .map { HideRvItem(it, hideTargets.blockingGet()) }
+            .toList()
+            .map { it.sortBy { it.item.info.name }; it }
+            .doOnSuccess { allItems.update(it) }
+            .flatMap { queryRaw() }
+            .applyViewModel(this)
+            .subscribeK(onError = Timber::e) { items.update(it.first, it.second) }
+            .add()
+    }
+
+    private fun query() = queryRaw()
+        .subscribeK { items.update(it.first, it.second) }
+        .add()
+
+    private fun queryRaw(
+        showSystem: Boolean = isShowSystem.value,
+        query: String = this.query.value
+    ) = allItems.toSingle()
+        .map { it.filterIsInstance<HideRvItem>() }
+        .flattenAsFlowable { it }
+        .filter {
+            it.item.name.contains(query, ignoreCase = true) ||
+                    it.item.processes.any { it.contains(query, ignoreCase = true) }
+        }
+        .filter { if (showSystem) true else it.item.info.flags and ApplicationInfo.FLAG_SYSTEM == 0 }
+        .toList()
+        .map { it to items.calculateDiff(it) }
+
+    private fun toggleItem(item: HideProcessRvItem) {
+        val state = if (item.isHidden.value) "add" else "rm"
+        "magiskhide --%s %s %s".format(state, item.packageName, item.process)
+            .let { Shell.su(it) }
+            .toSingle()
+            .map { it.submit() }
+            .subscribeK()
+    }
+
+    companion object {
+        private val blacklist = listOf(
+            App.self.packageName,
+            "android",
+            "com.android.chrome",
+            "com.chrome.beta",
+            "com.chrome.dev",
+            "com.chrome.canary",
+            "com.android.webview",
+            "com.google.android.webview"
+        )
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/ui/hide/MagiskHideFragment.java

@@ -1,101 +0,0 @@
-package com.topjohnwu.magisk.ui.hide;
-
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.SearchView;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.recyclerview.widget.RecyclerView;
-import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
-
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.model.adapters.ApplicationAdapter;
-import com.topjohnwu.magisk.ui.base.BaseFragment;
-import com.topjohnwu.magisk.utils.Event;
-
-import butterknife.BindView;
-
-public class MagiskHideFragment extends BaseFragment {
-
-    @BindView(R.id.swipeRefreshLayout) SwipeRefreshLayout mSwipeRefreshLayout;
-    @BindView(R.id.recyclerView) RecyclerView recyclerView;
-
-    private SearchView search;
-    private ApplicationAdapter adapter;
-    private SearchView.OnQueryTextListener searchListener;
-
-    @Override
-    public void onCreate(@Nullable Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setHasOptionsMenu(true);
-    }
-
-    @Nullable
-    @Override
-    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
-        View view = inflater.inflate(R.layout.fragment_magisk_hide, container, false);
-        unbinder = new MagiskHideFragment_ViewBinding(this, view);
-
-        adapter = new ApplicationAdapter(requireActivity());
-        recyclerView.setAdapter(adapter);
-
-        mSwipeRefreshLayout.setRefreshing(true);
-        mSwipeRefreshLayout.setOnRefreshListener(adapter::refresh);
-
-        searchListener = new SearchView.OnQueryTextListener() {
-            @Override
-            public boolean onQueryTextSubmit(String query) {
-                adapter.filter(query);
-                return false;
-            }
-
-            @Override
-            public boolean onQueryTextChange(String newText) {
-                adapter.filter(newText);
-                return false;
-            }
-        };
-
-        requireActivity().setTitle(R.string.magiskhide);
-
-        return view;
-    }
-
-    @Override
-    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-        inflater.inflate(R.menu.menu_magiskhide, menu);
-        search = (SearchView) menu.findItem(R.id.app_search).getActionView();
-        search.setOnQueryTextListener(searchListener);
-        menu.findItem(R.id.show_system).setChecked(Config.get(Config.Key.SHOW_SYSTEM_APP));
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        if (item.getItemId() == R.id.show_system) {
-            boolean showSystem = !item.isChecked();
-            item.setChecked(showSystem);
-            Config.set(Config.Key.SHOW_SYSTEM_APP, showSystem);
-            adapter.setShowSystem(showSystem);
-            adapter.filter(search.getQuery().toString());
-        }
-        return true;
-    }
-
-    @Override
-    public int[] getListeningEvents() {
-        return new int[] {Event.MAGISK_HIDE_DONE};
-    }
-
-    @Override
-    public void onEvent(int event) {
-        mSwipeRefreshLayout.setRefreshing(false);
-        adapter.filter(search.getQuery().toString());
-    }
-}

app/src/main/java/com/topjohnwu/magisk/ui/hide/MagiskHideFragment.kt

@@ -0,0 +1,64 @@
+package com.topjohnwu.magisk.ui.hide
+
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.widget.SearchView
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.databinding.FragmentMagiskHideBinding
+import com.topjohnwu.magisk.ui.base.MagiskFragment
+import org.koin.androidx.viewmodel.ext.android.viewModel
+
+class MagiskHideFragment : MagiskFragment<HideViewModel, FragmentMagiskHideBinding>(),
+    SearchView.OnQueryTextListener {
+
+    override val layoutRes: Int = R.layout.fragment_magisk_hide
+    override val viewModel: HideViewModel by viewModel()
+
+    override fun onStart() {
+        super.onStart()
+        setHasOptionsMenu(true)
+        requireActivity().setTitle(R.string.magiskhide)
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        inflater.inflate(R.menu.menu_magiskhide, menu)
+        menu.apply {
+            (findItem(R.id.app_search).actionView as? SearchView)
+                ?.setOnQueryTextListener(this@MagiskHideFragment)
+
+            val showSystem = Config.get<Boolean>(Config.Key.SHOW_SYSTEM_APP)
+
+            findItem(R.id.show_system).isChecked = showSystem
+            viewModel.isShowSystem.value = showSystem
+        }
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        if (item.itemId == R.id.show_system) {
+            val showSystem = !item.isChecked
+            item.isChecked = showSystem
+            Config.set(Config.Key.SHOW_SYSTEM_APP, showSystem)
+            viewModel.isShowSystem.value = showSystem
+            //adapter!!.setShowSystem(showSystem)
+            //adapter!!.filter(search!!.query.toString())
+        }
+        return true
+    }
+
+    override fun onQueryTextSubmit(query: String?): Boolean {
+        viewModel.query.value = query.orEmpty()
+        return false
+    }
+
+    override fun onQueryTextChange(query: String?): Boolean {
+        viewModel.query.value = query.orEmpty()
+        return false
+    }
+
+    /*override fun onEvent(event: Int) {
+        //mSwipeRefreshLayout!!.isRefreshing = false
+        adapter!!.filter(search!!.query.toString())
+    }*/
+}

app/src/main/java/com/topjohnwu/magisk/ui/home/HomeViewModel.kt

@@ -0,0 +1,232 @@
+package com.topjohnwu.magisk.ui.home
+
+import android.content.res.Resources
+import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
+import com.skoumal.teanity.util.KObservableField
+import com.topjohnwu.magisk.*
+import com.topjohnwu.magisk.model.events.*
+import com.topjohnwu.magisk.model.observer.Observer
+import com.topjohnwu.magisk.tasks.CheckUpdates
+import com.topjohnwu.magisk.ui.base.MagiskViewModel
+import com.topjohnwu.magisk.utils.Event
+import com.topjohnwu.magisk.utils.ISafetyNetHelper
+import com.topjohnwu.magisk.utils.toggle
+import com.topjohnwu.net.Networking
+import com.topjohnwu.superuser.Shell
+
+
+class HomeViewModel(
+    private val resources: Resources,
+    private val app: App
+) : MagiskViewModel() {
+
+    val isAdvancedExpanded = KObservableField(false)
+
+    val isForceEncryption = KObservableField(Config.keepEnc)
+    val isKeepVerity = KObservableField(Config.keepVerity)
+
+    val magiskState = KObservableField(MagiskState.LOADING)
+    val magiskStateText = Observer(magiskState) {
+        when (magiskState.value) {
+            MagiskState.NO_ROOT -> TODO()
+            MagiskState.NOT_INSTALLED -> resources.getString(R.string.magisk_version_error)
+            MagiskState.UP_TO_DATE -> resources.getString(R.string.magisk_up_to_date)
+            MagiskState.LOADING -> resources.getString(R.string.checking_for_updates)
+            MagiskState.OBSOLETE -> resources.getString(R.string.magisk_update_title)
+        }
+    }
+    val magiskCurrentVersion = KObservableField("")
+    val magiskLatestVersion = KObservableField("")
+    val magiskAdditionalInfo = Observer(magiskState) {
+        if (Config.get<Boolean>(Config.Key.COREONLY))
+            resources.getString(R.string.core_only_enabled)
+        else
+            ""
+    }
+
+    val managerState = KObservableField(MagiskState.LOADING)
+    val managerStateText = Observer(managerState) {
+        when (managerState.value) {
+            MagiskState.NO_ROOT -> "wtf"
+            MagiskState.NOT_INSTALLED -> resources.getString(R.string.invalid_update_channel)
+            MagiskState.UP_TO_DATE -> resources.getString(R.string.manager_up_to_date)
+            MagiskState.LOADING -> resources.getString(R.string.checking_for_updates)
+            MagiskState.OBSOLETE -> resources.getString(R.string.manager_update_title)
+        }
+    }
+    val managerCurrentVersion = KObservableField("")
+    val managerLatestVersion = KObservableField("")
+    val managerAdditionalInfo = Observer(managerState) {
+        if (app.packageName != BuildConfig.APPLICATION_ID)
+            "(${app.packageName})"
+        else
+            ""
+    }
+
+    val safetyNetTitle = KObservableField(resources.getString(R.string.safetyNet_check_text))
+    val ctsState = KObservableField(SafetyNetState.IDLE)
+    val basicIntegrityState = KObservableField(SafetyNetState.IDLE)
+    val safetyNetState = Observer(ctsState, basicIntegrityState) {
+        val cts = ctsState.value
+        val basic = basicIntegrityState.value
+        val states = listOf(cts, basic)
+
+        when {
+            states.any { it == SafetyNetState.LOADING } -> State.LOADING
+            states.any { it == SafetyNetState.IDLE } -> State.LOADING
+            else -> State.LOADED
+        }
+    }
+
+    val hasRoot = KObservableField(false)
+
+    private var shownDialog = false
+    private val current = resources.getString(R.string.current_installed)
+    private val latest = resources.getString(R.string.latest_version)
+
+    init {
+        Event.register(this)
+
+        isForceEncryption.addOnPropertyChangedCallback {
+            Config.keepEnc = it ?: return@addOnPropertyChangedCallback
+        }
+        isKeepVerity.addOnPropertyChangedCallback {
+            Config.keepVerity = it ?: return@addOnPropertyChangedCallback
+        }
+
+        refresh()
+    }
+
+    override fun onEvent(event: Int) {
+        updateSelf()
+        ensureEnv()
+    }
+
+    override fun getListeningEvents(): IntArray = intArrayOf(Event.UPDATE_CHECK_DONE)
+
+    fun paypalPressed() = OpenLinkEvent(Const.Url.PAYPAL_URL).publish()
+    fun patreonPressed() = OpenLinkEvent(Const.Url.PATREON_URL).publish()
+    fun twitterPressed() = OpenLinkEvent(Const.Url.TWITTER_URL).publish()
+    fun githubPressed() = OpenLinkEvent(Const.Url.SOURCE_CODE_URL).publish()
+    fun xdaPressed() = OpenLinkEvent(Const.Url.XDA_THREAD).publish()
+    fun uninstallPressed() = UninstallEvent().publish()
+
+    fun advancedPressed() = isAdvancedExpanded.toggle()
+
+    fun installPressed(item: MagiskItem) = when (item) {
+        MagiskItem.MANAGER -> ManagerInstallEvent().publish()
+        MagiskItem.MAGISK -> MagiskInstallEvent().publish()
+    }
+
+    fun cardPressed(item: MagiskItem) = when (item) {
+        MagiskItem.MANAGER -> ManagerChangelogEvent().publish()
+        MagiskItem.MAGISK -> MagiskChangelogEvent().publish()
+    }
+
+    fun safetyNetPressed() {
+        ctsState.value = SafetyNetState.LOADING
+        basicIntegrityState.value = SafetyNetState.LOADING
+        safetyNetTitle.value = resources.getString(R.string.checking_safetyNet_status)
+
+        UpdateSafetyNetEvent().publish()
+    }
+
+    fun finishSafetyNetCheck(response: Int) = when {
+        response and 0x0F == 0 -> {
+            val hasCtsPassed = response and ISafetyNetHelper.CTS_PASS != 0
+            val hasBasicIntegrityPassed = response and ISafetyNetHelper.BASIC_PASS != 0
+            safetyNetTitle.value = resources.getString(R.string.safetyNet_check_success)
+            ctsState.value = if (hasCtsPassed) {
+                SafetyNetState.PASS
+            } else {
+                SafetyNetState.FAILED
+            }
+            basicIntegrityState.value = if (hasBasicIntegrityPassed) {
+                SafetyNetState.PASS
+            } else {
+                SafetyNetState.FAILED
+            }
+        }
+        response == -2 -> {
+            ctsState.value = SafetyNetState.IDLE
+            basicIntegrityState.value = SafetyNetState.IDLE
+        }
+        else -> {
+            ctsState.value = SafetyNetState.IDLE
+            basicIntegrityState.value = SafetyNetState.IDLE
+            val errorString = when (response) {
+                ISafetyNetHelper.RESPONSE_ERR -> R.string.safetyNet_res_invalid
+                else -> R.string.safetyNet_api_error
+            }
+            safetyNetTitle.value = resources.getString(errorString)
+        }
+    }
+
+    fun refresh() {
+        state = State.LOADING
+        magiskState.value = MagiskState.LOADING
+        managerState.value = MagiskState.LOADING
+        Event.reset(this)
+        Config.remoteMagiskVersionString = null
+        Config.remoteMagiskVersionCode = -1
+
+        hasRoot.value = Shell.rootAccess()
+
+        if (Networking.checkNetworkStatus(app)) {
+            CheckUpdates.check()
+        } else {
+            state = State.LOADING_FAILED
+        }
+    }
+
+    private fun updateSelf() {
+        state = State.LOADED
+        magiskState.value = when (Config.magiskVersionCode) {
+            in Int.MIN_VALUE until 0 -> MagiskState.NOT_INSTALLED
+            !in Config.remoteMagiskVersionCode..Int.MAX_VALUE -> MagiskState.OBSOLETE
+            else -> MagiskState.UP_TO_DATE
+        }
+
+        if (magiskState.value != MagiskState.NOT_INSTALLED) {
+            magiskCurrentVersion.value = version
+                .format(Config.magiskVersionString, Config.magiskVersionCode)
+                .let { current.format(it) }
+        } else {
+            magiskCurrentVersion.value = ""
+        }
+        magiskLatestVersion.value = version
+            .format(Config.remoteMagiskVersionString, Config.remoteMagiskVersionCode)
+            .let { latest.format(it) }
+
+        managerState.value = when (Config.remoteManagerVersionCode) {
+            in Int.MIN_VALUE until 0 -> MagiskState.NOT_INSTALLED //wrong update channel
+            in (BuildConfig.VERSION_CODE + 1)..Int.MAX_VALUE -> MagiskState.OBSOLETE
+            else -> MagiskState.UP_TO_DATE
+        }
+
+        managerCurrentVersion.value = version
+            .format(BuildConfig.VERSION_NAME, BuildConfig.VERSION_CODE)
+            .let { current.format(it) }
+        managerLatestVersion.value = version
+            .format(Config.remoteManagerVersionString, Config.remoteManagerVersionCode)
+            .let { latest.format(it) }
+    }
+
+    private fun ensureEnv() {
+        val invalidStates =
+            listOf(MagiskState.NOT_INSTALLED, MagiskState.NO_ROOT, MagiskState.LOADING)
+
+        // Don't bother checking env when magisk is not installed, loading or already has been shown
+        if (invalidStates.any { it == magiskState.value } || shownDialog) return
+
+        if (!Shell.su("env_check").exec().isSuccess) {
+            shownDialog = true
+            EnvFixEvent().publish()
+        }
+    }
+
+    companion object {
+        private const val version = "%s (%d)"
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/ui/home/MagiskFragment.java

@@ -1,333 +0,0 @@
-package com.topjohnwu.magisk.ui.home;
-
-import android.net.Uri;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.CheckBox;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.cardview.widget.CardView;
-import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
-import androidx.transition.ChangeBounds;
-import androidx.transition.Fade;
-import androidx.transition.Transition;
-import androidx.transition.TransitionManager;
-import androidx.transition.TransitionSet;
-
-import com.topjohnwu.magisk.BuildConfig;
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.tasks.CheckUpdates;
-import com.topjohnwu.magisk.ui.MainActivity;
-import com.topjohnwu.magisk.ui.base.BaseActivity;
-import com.topjohnwu.magisk.ui.base.BaseFragment;
-import com.topjohnwu.magisk.utils.Event;
-import com.topjohnwu.magisk.utils.Utils;
-import com.topjohnwu.magisk.view.ArrowExpandable;
-import com.topjohnwu.magisk.view.Expandable;
-import com.topjohnwu.magisk.view.ExpandableViewHolder;
-import com.topjohnwu.magisk.view.MarkDownWindow;
-import com.topjohnwu.magisk.view.SafetyNet;
-import com.topjohnwu.magisk.view.UpdateCardHolder;
-import com.topjohnwu.magisk.view.dialogs.EnvFixDialog;
-import com.topjohnwu.magisk.view.dialogs.MagiskInstallDialog;
-import com.topjohnwu.magisk.view.dialogs.ManagerInstallDialog;
-import com.topjohnwu.magisk.view.dialogs.UninstallDialog;
-import com.topjohnwu.net.Networking;
-import com.topjohnwu.superuser.Shell;
-
-import java.util.Locale;
-
-import butterknife.BindColor;
-import butterknife.BindView;
-import butterknife.OnClick;
-
-public class MagiskFragment extends BaseFragment implements SwipeRefreshLayout.OnRefreshListener {
-
-    private static boolean shownDialog = false;
-
-    @BindView(R.id.swipeRefreshLayout) SwipeRefreshLayout mSwipeRefreshLayout;
-    @BindView(R.id.linearLayout) LinearLayout root;
-
-    @BindView(R.id.install_option_card) CardView installOptionCard;
-    @BindView(R.id.keep_force_enc) CheckBox keepEncChkbox;
-    @BindView(R.id.keep_verity) CheckBox keepVerityChkbox;
-    @BindView(R.id.install_option_expand) ViewGroup optionExpandLayout;
-    @BindView(R.id.arrow) ImageView arrow;
-
-    @BindView(R.id.uninstall_button) CardView uninstallButton;
-
-    @BindColor(R.color.red500) int colorBad;
-    @BindColor(R.color.green500) int colorOK;
-    @BindColor(R.color.yellow500) int colorWarn;
-    @BindColor(R.color.green500) int colorNeutral;
-    @BindColor(R.color.blue500) int colorInfo;
-
-    private UpdateCardHolder magisk;
-    private UpdateCardHolder manager;
-    private SafetyNet safetyNet;
-    private Transition transition;
-    private Expandable optionExpand;
-
-    private void magiskInstall(View v) {
-        // Show Manager update first
-        if (Config.remoteManagerVersionCode > BuildConfig.VERSION_CODE) {
-            new ManagerInstallDialog(requireActivity()).show();
-            return;
-        }
-        new MagiskInstallDialog((BaseActivity) requireActivity()).show();
-    }
-
-    private void managerInstall(View v) {
-        new ManagerInstallDialog(requireActivity()).show();
-    }
-
-    private void openLink(String url) {
-        Utils.openLink(requireActivity(), Uri.parse(url));
-    }
-
-    @OnClick(R.id.paypal)
-    void paypal() {
-        openLink(Const.Url.PAYPAL_URL);
-    }
-
-    @OnClick(R.id.patreon)
-    void patreon() {
-        openLink(Const.Url.PATREON_URL);
-    }
-
-    @OnClick(R.id.twitter)
-    void twitter() {
-        openLink(Const.Url.TWITTER_URL);
-    }
-
-    @OnClick(R.id.github)
-    void github() {
-        openLink(Const.Url.SOURCE_CODE_URL);
-    }
-
-    @OnClick(R.id.xda)
-    void xda() {
-        openLink(Const.Url.XDA_THREAD);
-    }
-
-    @OnClick(R.id.uninstall_button)
-    void uninstall() {
-        new UninstallDialog(requireActivity()).show();
-    }
-
-    @OnClick(R.id.arrow)
-    void expandOptions() {
-        if (optionExpand.isExpanded())
-            optionExpand.collapse();
-        else optionExpand.expand();
-    }
-
-    @Nullable
-    @Override
-    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
-                             @Nullable Bundle savedInstanceState) {
-        View v = inflater.inflate(R.layout.fragment_magisk, container, false);
-        unbinder = new MagiskFragment_ViewBinding(this, v);
-        requireActivity().setTitle(R.string.magisk);
-
-        optionExpand = new ArrowExpandable(new ExpandableViewHolder(optionExpandLayout), arrow);
-        safetyNet = new SafetyNet(v);
-        magisk = new UpdateCardHolder(inflater, root);
-        manager = new UpdateCardHolder(inflater, root);
-        manager.setClickable(vv ->
-                MarkDownWindow.show(requireActivity(), null,
-                        getResources().openRawResource(R.raw.changelog)));
-        root.addView(magisk.itemView, 1);
-        root.addView(manager.itemView, 2);
-
-        keepVerityChkbox.setChecked(Config.keepVerity);
-        keepVerityChkbox.setOnCheckedChangeListener((view, checked) -> Config.keepVerity = checked);
-        keepEncChkbox.setChecked(Config.keepEnc);
-        keepEncChkbox.setOnCheckedChangeListener((view, checked) -> Config.keepEnc = checked);
-
-        mSwipeRefreshLayout.setOnRefreshListener(this);
-
-        magisk.install.setOnClickListener(this::magiskInstall);
-        manager.install.setOnClickListener(this::managerInstall);
-        if (Config.get(Config.Key.COREONLY)) {
-            magisk.additional.setText(R.string.core_only_enabled);
-            magisk.additional.setVisibility(View.VISIBLE);
-        }
-        if (!app.getPackageName().equals(BuildConfig.APPLICATION_ID)) {
-            manager.additional.setText("(" + app.getPackageName() +  ")");
-            manager.additional.setVisibility(View.VISIBLE);
-        }
-
-        transition = new TransitionSet()
-                .setOrdering(TransitionSet.ORDERING_TOGETHER)
-                .addTransition(new Fade(Fade.OUT))
-                .addTransition(new ChangeBounds())
-                .addTransition(new Fade(Fade.IN));
-
-        updateUI();
-        return v;
-    }
-
-    @Override
-    public void onDestroyView() {
-        super.onDestroyView();
-        safetyNet.unbinder.unbind();
-        magisk.unbinder.unbind();
-        manager.unbinder.unbind();
-    }
-
-    @Override
-    public void onRefresh() {
-        mSwipeRefreshLayout.setRefreshing(false);
-        TransitionManager.beginDelayedTransition(root, transition);
-        safetyNet.reset();
-        magisk.reset();
-        manager.reset();
-
-        Config.loadMagiskInfo();
-        updateUI();
-
-        Event.reset(this);
-        Config.remoteMagiskVersionString = null;
-        Config.remoteMagiskVersionCode = -1;
-
-        shownDialog = false;
-
-        // Trigger state check
-        if (Networking.checkNetworkStatus(app)) {
-            CheckUpdates.check();
-        }
-    }
-
-    @Override
-    public int[] getListeningEvents() {
-        return new int[] {Event.UPDATE_CHECK_DONE};
-    }
-
-    @Override
-    public void onEvent(int event) {
-        updateCheckUI();
-    }
-
-    private void updateUI() {
-        ((MainActivity) requireActivity()).checkHideSection();
-        int image, color;
-        String status;
-        if (Config.magiskVersionCode < 0) {
-            color = colorBad;
-            image = R.drawable.ic_cancel;
-            status = getString(R.string.magisk_version_error);
-            magisk.status.setText(status);
-            magisk.currentVersion.setVisibility(View.GONE);
-        } else {
-            color = colorOK;
-            image = R.drawable.ic_check_circle;
-            status = getString(R.string.magisk);
-            magisk.currentVersion.setText(getString(R.string.current_installed,
-                    String.format(Locale.US, "v%s (%d)",
-                            Config.magiskVersionString, Config.magiskVersionCode)));
-        }
-        magisk.statusIcon.setColorFilter(color);
-        magisk.statusIcon.setImageResource(image);
-
-        manager.statusIcon.setColorFilter(colorOK);
-        manager.statusIcon.setImageResource(R.drawable.ic_check_circle);
-        manager.currentVersion.setText(getString(R.string.current_installed,
-                String.format(Locale.US, "v%s (%d)",
-                        BuildConfig.VERSION_NAME, BuildConfig.VERSION_CODE)));
-
-        if (!Networking.checkNetworkStatus(app)) {
-            // No network, updateCheckUI will not be triggered
-            magisk.status.setText(status);
-            manager.status.setText(R.string.app_name);
-            magisk.setValid(false);
-            manager.setValid(false);
-        }
-    }
-
-    private void updateCheckUI() {
-        int image, color;
-        String status, button = "";
-
-        TransitionManager.beginDelayedTransition(root, transition);
-
-        if (Config.remoteMagiskVersionCode < 0) {
-            color = colorNeutral;
-            image = R.drawable.ic_help;
-            status = getString(R.string.invalid_update_channel);
-        } else {
-            magisk.latestVersion.setText(getString(R.string.latest_version,
-                    String.format(Locale.US, "v%s (%d)",
-                            Config.remoteMagiskVersionString, Config.remoteMagiskVersionCode)));
-            if (Config.remoteMagiskVersionCode > Config.magiskVersionCode) {
-                color = colorInfo;
-                image = R.drawable.ic_update;
-                status = getString(R.string.magisk_update_title);
-                button = getString(R.string.update);
-            } else {
-                color = colorOK;
-                image = R.drawable.ic_check_circle;
-                status = getString(R.string.magisk_up_to_date);
-                button = getString(R.string.install);
-            }
-        }
-        if (Config.magiskVersionCode > 0) {
-            // Only override status if Magisk is installed
-            magisk.statusIcon.setImageResource(image);
-            magisk.statusIcon.setColorFilter(color);
-            magisk.status.setText(status);
-            magisk.install.setText(button);
-        }
-
-        if (Config.remoteManagerVersionCode < 0) {
-            color = colorNeutral;
-            image = R.drawable.ic_help;
-            status = getString(R.string.invalid_update_channel);
-        } else {
-            manager.latestVersion.setText(getString(R.string.latest_version,
-                    String.format(Locale.US, "v%s (%d)",
-                            Config.remoteManagerVersionString, Config.remoteManagerVersionCode)));
-            if (Config.remoteManagerVersionCode > BuildConfig.VERSION_CODE) {
-                color = colorInfo;
-                image = R.drawable.ic_update;
-                status = getString(R.string.manager_update_title);
-                manager.install.setText(R.string.update);
-            } else {
-                color = colorOK;
-                image = R.drawable.ic_check_circle;
-                status = getString(R.string.manager_up_to_date);
-                manager.install.setText(R.string.install);
-            }
-        }
-        manager.statusIcon.setImageResource(image);
-        manager.statusIcon.setColorFilter(color);
-        manager.status.setText(status);
-
-        magisk.setValid(Config.remoteMagiskVersionCode > 0);
-        manager.setValid(Config.remoteManagerVersionCode > 0);
-
-        if (Config.remoteMagiskVersionCode < 0) {
-            // Hide install related components
-            installOptionCard.setVisibility(View.GONE);
-            uninstallButton.setVisibility(View.GONE);
-        } else {
-            // Show install related components
-            installOptionCard.setVisibility(View.VISIBLE);
-            uninstallButton.setVisibility(Shell.rootAccess() ? View.VISIBLE : View.GONE);
-        }
-
-        if (!shownDialog && Config.magiskVersionCode > 0 &&
-                !Shell.su("env_check").exec().isSuccess()) {
-            shownDialog = true;
-            new EnvFixDialog(requireActivity()).show();
-        }
-    }
-}
-

app/src/main/java/com/topjohnwu/magisk/ui/home/MagiskFragment.kt

@@ -0,0 +1,98 @@
+package com.topjohnwu.magisk.ui.home
+
+import com.skoumal.teanity.viewevents.ViewEvent
+import com.topjohnwu.magisk.BuildConfig
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.databinding.FragmentMagiskBinding
+import com.topjohnwu.magisk.model.events.*
+import com.topjohnwu.magisk.ui.base.MagiskActivity
+import com.topjohnwu.magisk.utils.ISafetyNetHelper
+import com.topjohnwu.magisk.view.MarkDownWindow
+import com.topjohnwu.magisk.view.SafetyNet
+import com.topjohnwu.magisk.view.SafetyNet.EXT_APK
+import com.topjohnwu.magisk.view.dialogs.*
+import com.topjohnwu.net.Networking
+import com.topjohnwu.superuser.Shell
+import org.koin.androidx.viewmodel.ext.android.viewModel
+import com.topjohnwu.magisk.ui.base.MagiskFragment as NewMagiskFragment
+
+class MagiskFragment : NewMagiskFragment<HomeViewModel, FragmentMagiskBinding>(),
+    ISafetyNetHelper.Callback {
+
+    override val layoutRes: Int = R.layout.fragment_magisk
+    override val viewModel: HomeViewModel by viewModel()
+
+    override fun onResponse(responseCode: Int) = viewModel.finishSafetyNetCheck(responseCode)
+
+    override fun onEventDispatched(event: ViewEvent) {
+        super.onEventDispatched(event)
+        when (event) {
+            is OpenLinkEvent -> openLink(event.url)
+            is ManagerInstallEvent -> installManager()
+            is MagiskInstallEvent -> installMagisk()
+            is UninstallEvent -> uninstall()
+            is ManagerChangelogEvent -> changelogManager()
+            is EnvFixEvent -> fixEnv()
+            is UpdateSafetyNetEvent -> updateSafetyNet(false)
+        }
+    }
+
+    override fun onStart() {
+        super.onStart()
+        setHasOptionsMenu(true)
+        requireActivity().setTitle(R.string.magisk)
+    }
+
+    private fun installMagisk() {
+        // Show Manager update first
+        if (Config.remoteManagerVersionCode > BuildConfig.VERSION_CODE) {
+            installManager()
+            return
+        }
+
+        MagiskInstallDialog(requireActivity() as MagiskActivity<*, *>).show()
+    }
+
+    private fun installManager() = ManagerInstallDialog(requireActivity()).show()
+    private fun uninstall() = UninstallDialog(requireActivity()).show()
+    private fun fixEnv() = EnvFixDialog(requireActivity()).show()
+
+    private fun changelogManager() = MarkDownWindow
+        .show(requireActivity(), null, resources.openRawResource(R.raw.changelog))
+
+    private fun downloadSafetyNet(requiresUserInput: Boolean = true) {
+        fun download() = Networking
+            .get(Const.Url.SNET_URL)
+            .getAsFile(EXT_APK) { updateSafetyNet(true) }
+
+        if (!requiresUserInput) {
+            download()
+            return
+        }
+
+        CustomAlertDialog(requireActivity())
+            .setTitle(R.string.proprietary_title)
+            .setMessage(R.string.proprietary_notice)
+            .setCancelable(false)
+            .setPositiveButton(R.string.yes) { _, _ -> download() }
+            .setNegativeButton(R.string.no_thanks) { _, _ -> viewModel.finishSafetyNetCheck(-2) }
+            .show()
+    }
+
+    private fun updateSafetyNet(dieOnError: Boolean) {
+        try {
+            SafetyNet.dyRun(requireActivity(), this)
+        } catch (e: Exception) {
+            if (dieOnError) {
+                viewModel.finishSafetyNetCheck(-1)
+                return
+            }
+            Shell.sh("rm -rf " + EXT_APK.parent).exec()
+            EXT_APK.parentFile?.mkdir()
+            downloadSafetyNet(!dieOnError)
+        }
+    }
+}
+

app/src/main/java/com/topjohnwu/magisk/ui/home/MagiskItem.kt

@@ -0,0 +1,6 @@
+package com.topjohnwu.magisk.ui.home
+
+
+enum class MagiskItem {
+    MANAGER, MAGISK
+}

app/src/main/java/com/topjohnwu/magisk/ui/home/MagiskState.kt

@@ -0,0 +1,6 @@
+package com.topjohnwu.magisk.ui.home
+
+
+enum class MagiskState {
+    NO_ROOT, NOT_INSTALLED, UP_TO_DATE, OBSOLETE, LOADING
+}

app/src/main/java/com/topjohnwu/magisk/ui/home/SafetyNetState.kt

@@ -0,0 +1,5 @@
+package com.topjohnwu.magisk.ui.home
+
+enum class SafetyNetState {
+    LOADING, PASS, FAILED, IDLE
+}

app/src/main/java/com/topjohnwu/magisk/ui/log/LogFragment.java

@@ -1,47 +0,0 @@
-package com.topjohnwu.magisk.ui.log;
-
-
-import android.os.Build;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-
-import androidx.viewpager.widget.ViewPager;
-
-import com.google.android.material.tabs.TabLayout;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.model.adapters.TabFragmentAdapter;
-import com.topjohnwu.magisk.ui.MainActivity;
-import com.topjohnwu.magisk.ui.base.BaseFragment;
-
-import butterknife.BindView;
-
-public class LogFragment extends BaseFragment {
-
-    @BindView(R.id.container) ViewPager viewPager;
-    @BindView(R.id.tab) TabLayout tab;
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-                             Bundle savedInstanceState) {
-        // Inflate the layout for this fragment
-        View v = inflater.inflate(R.layout.fragment_log, container, false);
-        unbinder = new LogFragment_ViewBinding(this, v);
-
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            ((MainActivity) requireActivity()).toolbar.setElevation(0);
-        }
-
-        TabFragmentAdapter adapter = new TabFragmentAdapter(getChildFragmentManager());
-
-        adapter.addTab(new SuLogFragment(), getString(R.string.superuser));
-        adapter.addTab(new MagiskLogFragment(), getString(R.string.magisk));
-        tab.setupWithViewPager(viewPager);
-        tab.setVisibility(View.VISIBLE);
-
-        viewPager.setAdapter(adapter);
-
-        return v;
-    }
-}

app/src/main/java/com/topjohnwu/magisk/ui/log/LogFragment.kt

@@ -0,0 +1,53 @@
+package com.topjohnwu.magisk.ui.log
+
+
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.view.View
+import com.skoumal.teanity.viewevents.ViewEvent
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.databinding.FragmentLogBinding
+import com.topjohnwu.magisk.model.events.PageChangedEvent
+import com.topjohnwu.magisk.ui.base.MagiskFragment
+import org.koin.androidx.viewmodel.ext.android.viewModel
+
+class LogFragment : MagiskFragment<LogViewModel, FragmentLogBinding>() {
+
+    override val layoutRes: Int = R.layout.fragment_log
+    override val viewModel: LogViewModel by viewModel()
+
+    override fun onEventDispatched(event: ViewEvent) {
+        super.onEventDispatched(event)
+        when (event) {
+            is PageChangedEvent -> magiskActivity.invalidateOptionsMenu()
+        }
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding.logTabs.setupWithViewPager(binding.logContainer, true)
+    }
+
+    override fun onStart() {
+        super.onStart()
+        setHasOptionsMenu(true)
+        magiskActivity.setTitle(R.string.log)
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        inflater.inflate(R.menu.menu_log, menu)
+        menu.findItem(R.id.menu_save).isVisible = viewModel.currentPage.value == 1
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.menu_save -> viewModel.saveLog()
+            R.id.menu_clear -> viewModel.clearLog()
+            R.id.menu_refresh -> viewModel.refresh()
+        }
+        return true
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/ui/log/LogViewModel.kt

@@ -0,0 +1,122 @@
+package com.topjohnwu.magisk.ui.log
+
+import android.content.res.Resources
+import androidx.databinding.ObservableArrayList
+import com.skoumal.teanity.databinding.ComparableRvItem
+import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
+import com.skoumal.teanity.extensions.doOnSuccessUi
+import com.skoumal.teanity.extensions.subscribeK
+import com.skoumal.teanity.util.DiffObservableList
+import com.skoumal.teanity.util.KObservableField
+import com.skoumal.teanity.viewevents.SnackbarEvent
+import com.topjohnwu.magisk.BR
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.data.database.MagiskDB
+import com.topjohnwu.magisk.model.entity.recycler.*
+import com.topjohnwu.magisk.model.events.PageChangedEvent
+import com.topjohnwu.magisk.ui.base.MagiskViewModel
+import com.topjohnwu.magisk.utils.toSingle
+import com.topjohnwu.magisk.utils.zip
+import com.topjohnwu.superuser.Shell
+import io.reactivex.Single
+import me.tatarka.bindingcollectionadapter2.BindingViewPagerAdapter
+import me.tatarka.bindingcollectionadapter2.OnItemBind
+import java.io.File
+import java.io.IOException
+import java.util.*
+
+class LogViewModel(
+    private val resources: Resources,
+    private val database: MagiskDB
+) : MagiskViewModel(), BindingViewPagerAdapter.PageTitles<ComparableRvItem<*>> {
+
+    val items = DiffObservableList(ComparableRvItem.callback)
+    val itemBinding = OnItemBind<ComparableRvItem<*>> { itemBinding, _, item ->
+        item.bind(itemBinding)
+        itemBinding.bindExtra(BR.viewModel, this@LogViewModel)
+    }
+    val currentPage = KObservableField(0)
+    private val currentItem get() = items[currentPage.value]
+
+    private val logItem get() = items[0] as LogRvItem
+    private val magiskLogItem get() = items[1] as MagiskLogRvItem
+
+    init {
+        currentPage.addOnPropertyChangedCallback {
+            it ?: return@addOnPropertyChangedCallback
+            PageChangedEvent().publish()
+        }
+
+        items.addAll(listOf(LogRvItem(), MagiskLogRvItem()))
+        refresh()
+    }
+
+    override fun getPageTitle(position: Int, item: ComparableRvItem<*>?) = when (item) {
+        is LogRvItem -> resources.getString(R.string.superuser)
+        is MagiskLogRvItem -> resources.getString(R.string.magisk)
+        else -> ""
+    }
+
+    fun refresh() = zip(updateLogs(), updateMagiskLog()) { _, _ -> true }
+        .subscribeK()
+        .add()
+
+    fun saveLog() {
+        val now = Calendar.getInstance()
+        val filename = "magisk_log_%04d%02d%02d_%02d%02d%02d.log".format(
+            now.get(Calendar.YEAR), now.get(Calendar.MONTH) + 1,
+            now.get(Calendar.DAY_OF_MONTH), now.get(Calendar.HOUR_OF_DAY),
+            now.get(Calendar.MINUTE), now.get(Calendar.SECOND)
+        )
+
+        val logFile = File(Const.EXTERNAL_PATH, filename)
+        try {
+            logFile.createNewFile()
+        } catch (e: IOException) {
+            return
+        }
+
+        Shell.su("cat ${Const.MAGISK_LOG} > $logFile").submit {
+            SnackbarEvent(logFile.path).publish()
+        }
+    }
+
+    fun clearLog() = when (currentItem) {
+        is LogRvItem -> clearLogs { refresh() }
+        is MagiskLogRvItem -> clearMagiskLogs { refresh() }
+        else -> Unit
+    }
+
+    private fun clearLogs(callback: () -> Unit) {
+        Single.fromCallable { database.clearLogs() }
+            .subscribeK {
+                SnackbarEvent(R.string.logs_cleared).publish()
+                callback()
+            }
+            .add()
+    }
+
+    private fun clearMagiskLogs(callback: () -> Unit) {
+        Shell.su("echo -n > " + Const.MAGISK_LOG).submit {
+            SnackbarEvent(R.string.logs_cleared).publish()
+            callback()
+        }
+    }
+
+    private fun updateLogs() = Single.fromCallable { database.logs }
+        .flattenAsFlowable { it }
+        .map { it.map { LogItemEntryRvItem(it) } }
+        .map { LogItemRvItem(ObservableArrayList<ComparableRvItem<*>>().apply { addAll(it) }) }
+        .toList()
+        .doOnSuccessUi { logItem.update(it) }
+
+    private fun updateMagiskLog() = Shell.su("tail -n 5000 ${Const.MAGISK_LOG}").toSingle()
+        .map { it.exec() }
+        .map { it.out }
+        .flattenAsFlowable { it }
+        .map { ConsoleRvItem(it) }
+        .toList()
+        .doOnSuccessUi { magiskLogItem.update(it) }
+
+}

app/src/main/java/com/topjohnwu/magisk/ui/log/MagiskLogFragment.java

@@ -1,157 +0,0 @@
-package com.topjohnwu.magisk.ui.log;
-
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.view.ViewGroup;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.google.android.material.snackbar.Snackbar;
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.model.adapters.StringListAdapter;
-import com.topjohnwu.magisk.ui.base.BaseFragment;
-import com.topjohnwu.magisk.utils.Utils;
-import com.topjohnwu.magisk.view.SnackbarMaker;
-import com.topjohnwu.superuser.Shell;
-import com.topjohnwu.superuser.internal.NOPList;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.Calendar;
-import java.util.List;
-
-import butterknife.BindView;
-
-public class MagiskLogFragment extends BaseFragment {
-
-    @BindView(R.id.recyclerView) RecyclerView rv;
-
-    @Nullable
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        View view = inflater.inflate(R.layout.fragment_magisk_log, container, false);
-        unbinder = new MagiskLogFragment_ViewBinding(this, view);
-        setHasOptionsMenu(true);
-        return view;
-    }
-
-    @Override
-    public void onStart() {
-        super.onStart();
-        getActivity().setTitle(R.string.log);
-    }
-
-    @Override
-    public void onResume() {
-        super.onResume();
-        readLogs();
-    }
-
-    @Override
-    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-        inflater.inflate(R.menu.menu_log, menu);
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        switch (item.getItemId()) {
-            case R.id.menu_refresh:
-                readLogs();
-                return true;
-            case R.id.menu_save:
-                runWithExternalRW(this::saveLogs);
-                return true;
-            case R.id.menu_clear:
-                clearLogs();
-                rv.setAdapter(new MagiskLogAdapter(NOPList.getInstance()));
-                return true;
-            default:
-                return true;
-        }
-    }
-
-    private void readLogs() {
-        Shell.su("tail -n 5000 " + Const.MAGISK_LOG).submit(result -> {
-            rv.setAdapter(new MagiskLogAdapter(result.getOut()));
-        });
-    }
-
-    private void saveLogs() {
-        Calendar now = Calendar.getInstance();
-        String filename = Utils.fmt("magisk_log_%04d%02d%02d_%02d%02d%02d.log",
-                now.get(Calendar.YEAR), now.get(Calendar.MONTH) + 1,
-                now.get(Calendar.DAY_OF_MONTH), now.get(Calendar.HOUR_OF_DAY),
-                now.get(Calendar.MINUTE), now.get(Calendar.SECOND));
-
-        File logFile = new File(Const.EXTERNAL_PATH, filename);
-        try {
-            logFile.createNewFile();
-        } catch (IOException e) {
-            return;
-        }
-        Shell.su("cat " + Const.MAGISK_LOG + " > " + logFile)
-                .submit(result ->
-                        SnackbarMaker.make(rv, logFile.getPath(), Snackbar.LENGTH_SHORT).show());
-    }
-
-    private void clearLogs() {
-        Shell.su("echo -n > " + Const.MAGISK_LOG).submit();
-        SnackbarMaker.make(rv, R.string.logs_cleared, Snackbar.LENGTH_SHORT).show();
-    }
-
-    private class MagiskLogAdapter extends StringListAdapter<MagiskLogAdapter.ViewHolder> {
-
-        MagiskLogAdapter(List<String> list) {
-            super(list);
-            if (mList.isEmpty())
-                mList.add(requireContext().getString(R.string.log_is_empty));
-        }
-
-        @Override
-        protected int itemLayoutRes() {
-            return R.layout.list_item_console;
-        }
-
-        @NonNull
-        @Override
-        public ViewHolder createViewHolder(@NonNull View v) {
-            return new ViewHolder(v);
-        }
-
-        @Override
-        protected void onUpdateTextWidth(ViewHolder holder) {
-            super.onUpdateTextWidth(holder);
-            // Find the longest string and update accordingly
-            int max = 0;
-            String maxStr = "";
-            for (String s : mList) {
-                int len = s.length();
-                if (len > max) {
-                    max = len;
-                    maxStr = s;
-                }
-            }
-            holder.txt.setText(maxStr);
-            super.onUpdateTextWidth(holder);
-        }
-
-        public class ViewHolder extends StringListAdapter.ViewHolder {
-
-            public ViewHolder(@NonNull View itemView) {
-                super(itemView);
-            }
-
-            @Override
-            protected int textViewResId() {
-                return R.id.txt;
-            }
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/ui/log/SuLogFragment.java

@@ -1,80 +0,0 @@
-package com.topjohnwu.magisk.ui.log;
-
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-
-import androidx.annotation.Nullable;
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.model.adapters.SuLogAdapter;
-import com.topjohnwu.magisk.ui.base.BaseFragment;
-
-import butterknife.BindView;
-
-public class SuLogFragment extends BaseFragment {
-
-    @BindView(R.id.empty_rv) TextView emptyRv;
-    @BindView(R.id.recyclerView) RecyclerView recyclerView;
-
-    private SuLogAdapter adapter;
-
-    @Override
-    public void onCreate(@Nullable Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setHasOptionsMenu(true);
-    }
-
-    @Override
-    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-        inflater.inflate(R.menu.menu_log, menu);
-        menu.findItem(R.id.menu_save).setVisible(false);
-    }
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-                             Bundle savedInstanceState) {
-        // Inflate the layout for this fragment
-        View v = inflater.inflate(R.layout.fragment_su_log, container, false);
-        unbinder = new SuLogFragment_ViewBinding(this, v);
-        adapter = new SuLogAdapter(app.mDB);
-        recyclerView.setAdapter(adapter);
-
-        updateList();
-
-        return v;
-    }
-
-    private void updateList() {
-        adapter.notifyDBChanged();
-
-        if (adapter.getSectionCount() == 0) {
-            emptyRv.setVisibility(View.VISIBLE);
-            recyclerView.setVisibility(View.GONE);
-        } else {
-            emptyRv.setVisibility(View.GONE);
-            recyclerView.setVisibility(View.VISIBLE);
-        }
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        switch (item.getItemId()) {
-            case R.id.menu_refresh:
-                updateList();
-                return true;
-            case R.id.menu_clear:
-                app.mDB.clearLogs();
-                updateList();
-                return true;
-            default:
-                return true;
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/ui/module/ModuleViewModel.kt

@@ -0,0 +1,141 @@
+package com.topjohnwu.magisk.ui.module
+
+import android.content.res.Resources
+import android.database.Cursor
+import androidx.annotation.StringRes
+import com.skoumal.teanity.databinding.ComparableRvItem
+import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
+import com.skoumal.teanity.extensions.subscribeK
+import com.skoumal.teanity.util.DiffObservableList
+import com.skoumal.teanity.util.KObservableField
+import com.topjohnwu.magisk.BR
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.data.database.RepoDatabaseHelper
+import com.topjohnwu.magisk.model.entity.Module
+import com.topjohnwu.magisk.model.entity.Repo
+import com.topjohnwu.magisk.model.entity.recycler.ModuleRvItem
+import com.topjohnwu.magisk.model.entity.recycler.RepoRvItem
+import com.topjohnwu.magisk.model.entity.recycler.SectionRvItem
+import com.topjohnwu.magisk.model.events.InstallModuleEvent
+import com.topjohnwu.magisk.model.events.OpenChangelogEvent
+import com.topjohnwu.magisk.model.events.OpenFilePickerEvent
+import com.topjohnwu.magisk.tasks.UpdateRepos
+import com.topjohnwu.magisk.ui.base.MagiskViewModel
+import com.topjohnwu.magisk.utils.Event
+import com.topjohnwu.magisk.utils.Utils
+import com.topjohnwu.magisk.utils.toSingle
+import com.topjohnwu.magisk.utils.update
+import io.reactivex.Single
+import io.reactivex.disposables.Disposable
+import me.tatarka.bindingcollectionadapter2.OnItemBind
+
+class ModuleViewModel(
+    private val repoDatabase: RepoDatabaseHelper,
+    private val resources: Resources
+) : MagiskViewModel() {
+
+    val query = KObservableField("")
+
+    private val allItems = mutableListOf<ComparableRvItem<*>>()
+
+    val itemsInstalled = DiffObservableList(ComparableRvItem.callback)
+    val itemsRemote = DiffObservableList(ComparableRvItem.callback)
+    val itemBinding = OnItemBind<ComparableRvItem<*>> { itemBinding, _, item ->
+        item.bind(itemBinding)
+        itemBinding.bindExtra(BR.viewModel, this@ModuleViewModel)
+    }
+
+    private var queryDisposable: Disposable? = null
+
+    init {
+        query.addOnPropertyChangedCallback {
+            queryDisposable?.dispose()
+            queryDisposable = query()
+        }
+        Event.register(this)
+        refresh()
+    }
+
+    override fun getListeningEvents(): IntArray {
+        return intArrayOf(Event.MODULE_LOAD_DONE, Event.REPO_LOAD_DONE)
+    }
+
+    override fun onEvent(event: Int) = when (event) {
+        Event.MODULE_LOAD_DONE -> updateModules(Event.getResult(event))
+        Event.REPO_LOAD_DONE -> updateRepos()
+        else -> Unit
+    }
+
+    fun fabPressed() = OpenFilePickerEvent().publish()
+    fun repoPressed(item: RepoRvItem) = OpenChangelogEvent(item.item).publish()
+    fun downloadPressed(item: RepoRvItem) = InstallModuleEvent(item.item).publish()
+
+    fun refresh() {
+        state = State.LOADING
+        Utils.loadModules(true)
+        UpdateRepos().exec(true)
+    }
+
+    private fun updateModules(result: Map<String, Module>) = result.values
+        .map { ModuleRvItem(it) }
+        .let { itemsInstalled.update(it) }
+
+    internal fun updateRepos() {
+        Single.fromCallable { repoDatabase.repoCursor.toList { Repo(it) } }
+            .flattenAsFlowable { it }
+            .map { RepoRvItem(it) }
+            .toList()
+            .doOnSuccess { allItems.update(it) }
+            .flatMap { queryRaw() }
+            .applyViewModel(this)
+            .subscribeK { itemsRemote.update(it.first, it.second) }
+            .add()
+    }
+
+    private fun query() = queryRaw()
+        .subscribeK { itemsRemote.update(it.first, it.second) }
+
+    private fun queryRaw(query: String = this.query.value) = allItems.toSingle()
+        .map { it.filterIsInstance<RepoRvItem>() }
+        .flattenAsFlowable { it }
+        .filter {
+            it.item.name.contains(query, ignoreCase = true) ||
+                    it.item.author.contains(query, ignoreCase = true) ||
+                    it.item.description.contains(query, ignoreCase = true)
+        }
+        .toList()
+        .map { if (query.isEmpty()) it.divide() else it }
+        .map { it to itemsRemote.calculateDiff(it) }
+
+    private fun List<RepoRvItem>.divide(): List<ComparableRvItem<*>> {
+        val installed = itemsInstalled.filterIsInstance<ModuleRvItem>()
+        val installedModules = filter { installed.any { item -> it.item.id == item.item.id } }
+
+        fun installedByID(id: String) = installed.firstOrNull { it.item.id == id }
+
+        fun List<RepoRvItem>.filterObsolete() = filter {
+            val module = installedByID(it.item.id) ?: return@filter false
+            module.item.versionCode != it.item.versionCode
+        }
+
+        val resultObsolete = installedModules.filterObsolete()
+        val resultInstalled = installedModules - resultObsolete
+        val resultRemote = toList() - installedModules
+
+        fun buildList(@StringRes text: Int, list: List<RepoRvItem>): List<ComparableRvItem<*>> {
+            return if (list.isEmpty()) list
+            else listOf(SectionRvItem(resources.getString(text))) + list
+        }
+
+        return buildList(R.string.update_available, resultObsolete) +
+                buildList(R.string.installed, resultInstalled) +
+                buildList(R.string.not_installed, resultRemote)
+    }
+
+    private fun <Result> Cursor.toList(transformer: (Cursor) -> Result): List<Result> {
+        val out = mutableListOf<Result>()
+        while (moveToNext()) out.add(transformer(this))
+        return out
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/ui/module/ModulesFragment.java

@@ -1,142 +0,0 @@
-package com.topjohnwu.magisk.ui.module;
-
-import android.app.Activity;
-import android.content.Intent;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.recyclerview.widget.RecyclerView;
-import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
-
-import com.topjohnwu.magisk.ClassMap;
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.model.adapters.ModulesAdapter;
-import com.topjohnwu.magisk.model.entity.Module;
-import com.topjohnwu.magisk.ui.base.BaseFragment;
-import com.topjohnwu.magisk.ui.flash.FlashActivity;
-import com.topjohnwu.magisk.utils.Event;
-import com.topjohnwu.magisk.utils.RootUtils;
-import com.topjohnwu.magisk.utils.Utils;
-import com.topjohnwu.superuser.Shell;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-
-import butterknife.BindView;
-import butterknife.OnClick;
-
-public class ModulesFragment extends BaseFragment {
-
-    @BindView(R.id.swipeRefreshLayout) SwipeRefreshLayout mSwipeRefreshLayout;
-    @BindView(R.id.recyclerView) RecyclerView recyclerView;
-    @BindView(R.id.empty_rv) TextView emptyRv;
-
-    @OnClick(R.id.fab)
-    void selectFile() {
-        runWithExternalRW(() -> {
-            Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
-            intent.setType("application/zip");
-            startActivityForResult(intent, Const.ID.FETCH_ZIP);
-        });
-    }
-
-    private List<Module> listModules = new ArrayList<>();
-
-    @Nullable
-    @Override
-    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
-        View view = inflater.inflate(R.layout.fragment_modules, container, false);
-        unbinder = new ModulesFragment_ViewBinding(this, view);
-        setHasOptionsMenu(true);
-
-        mSwipeRefreshLayout.setOnRefreshListener(() -> {
-            recyclerView.setVisibility(View.GONE);
-            Utils.loadModules();
-        });
-
-        recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
-            @Override
-            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
-                mSwipeRefreshLayout.setEnabled(recyclerView.getChildAt(0).getTop() >= 0);
-            }
-
-            @Override
-            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
-                super.onScrollStateChanged(recyclerView, newState);
-            }
-        });
-
-        requireActivity().setTitle(R.string.modules);
-
-        return view;
-    }
-
-    @Override
-    public int[] getListeningEvents() {
-        return new int[] {Event.MODULE_LOAD_DONE};
-    }
-
-    @Override
-    public void onEvent(int event) {
-        updateUI(Event.getResult(event));
-    }
-
-    @Override
-    public void onActivityResult(int requestCode, int resultCode, Intent data) {
-        if (requestCode == Const.ID.FETCH_ZIP && resultCode == Activity.RESULT_OK && data != null) {
-            // Get the URI of the selected file
-            Intent intent = new Intent(getActivity(), ClassMap.get(FlashActivity.class));
-            intent.setData(data.getData()).putExtra(Const.Key.FLASH_ACTION, Const.Value.FLASH_ZIP);
-            startActivity(intent);
-        }
-    }
-
-    @Override
-    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-        inflater.inflate(R.menu.menu_reboot, menu);
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        switch (item.getItemId()) {
-            case R.id.reboot:
-                RootUtils.reboot();
-                return true;
-            case R.id.reboot_recovery:
-                Shell.su("/system/bin/reboot recovery").submit();
-                return true;
-            case R.id.reboot_bootloader:
-                Shell.su("/system/bin/reboot bootloader").submit();
-                return true;
-            case R.id.reboot_download:
-                Shell.su("/system/bin/reboot download").submit();
-                return true;
-            default:
-                return false;
-        }
-    }
-
-    private void updateUI(Map<String, Module> moduleMap) {
-        listModules.clear();
-        listModules.addAll(moduleMap.values());
-        if (listModules.size() == 0) {
-            emptyRv.setVisibility(View.VISIBLE);
-            recyclerView.setVisibility(View.GONE);
-        } else {
-            emptyRv.setVisibility(View.GONE);
-            recyclerView.setVisibility(View.VISIBLE);
-            recyclerView.setAdapter(new ModulesAdapter(listModules));
-        }
-        mSwipeRefreshLayout.setRefreshing(false);
-    }
-}

app/src/main/java/com/topjohnwu/magisk/ui/module/ModulesFragment.kt

@@ -0,0 +1,115 @@
+package com.topjohnwu.magisk.ui.module
+
+import android.app.Activity
+import android.content.Intent
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.view.View
+import androidx.recyclerview.widget.RecyclerView
+import com.skoumal.teanity.viewevents.ViewEvent
+import com.topjohnwu.magisk.ClassMap
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.databinding.FragmentModulesBinding
+import com.topjohnwu.magisk.model.events.OpenFilePickerEvent
+import com.topjohnwu.magisk.ui.base.MagiskFragment
+import com.topjohnwu.magisk.ui.flash.FlashActivity
+import com.topjohnwu.magisk.utils.RootUtils
+import com.topjohnwu.superuser.Shell
+import org.koin.androidx.viewmodel.ext.android.sharedViewModel
+
+class ModulesFragment : MagiskFragment<ModuleViewModel, FragmentModulesBinding>() {
+
+    override val layoutRes: Int = R.layout.fragment_modules
+    override val viewModel: ModuleViewModel by sharedViewModel()
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        if (requestCode == Const.ID.FETCH_ZIP && resultCode == Activity.RESULT_OK && data != null) {
+            // Get the URI of the selected file
+            val intent = Intent(activity, ClassMap.get<Any>(FlashActivity::class.java))
+            intent.setData(data.data).putExtra(Const.Key.FLASH_ACTION, Const.Value.FLASH_ZIP)
+            startActivity(intent)
+        }
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        binding.modulesContent.addOnScrollListener(object : RecyclerView.OnScrollListener() {
+            override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
+                binding.modulesRefreshLayout.isEnabled = recyclerView.getChildAt(0).top >= 0
+            }
+        })
+    }
+
+    override fun onEventDispatched(event: ViewEvent) {
+        super.onEventDispatched(event)
+        when (event) {
+            is OpenFilePickerEvent -> selectFile()
+        }
+    }
+
+    override fun onStart() {
+        super.onStart()
+        setHasOptionsMenu(true)
+        requireActivity().setTitle(R.string.modules)
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        inflater.inflate(R.menu.menu_reboot, menu)
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.reboot -> {
+                RootUtils.reboot()
+                return true
+            }
+            R.id.reboot_recovery -> {
+                Shell.su("/system/bin/reboot recovery").submit()
+                return true
+            }
+            R.id.reboot_bootloader -> {
+                Shell.su("/system/bin/reboot bootloader").submit()
+                return true
+            }
+            R.id.reboot_download -> {
+                Shell.su("/system/bin/reboot download").submit()
+                return true
+            }
+            else -> return false
+        }
+    }
+
+    private fun selectFile() {
+        magiskActivity.runWithExternalRW {
+            val intent = Intent(Intent.ACTION_GET_CONTENT)
+            intent.type = "application/zip"
+            startActivityForResult(intent, Const.ID.FETCH_ZIP)
+        }
+    }
+
+    /*override fun getListeningEvents(): IntArray {
+        return intArrayOf(Event.MODULE_LOAD_DONE)
+    }
+
+    override fun onEvent(event: Int) {
+        updateUI(Event.getResult(event))
+    }*/
+
+    /*private fun updateUI(moduleMap: Map<String, Module>) {
+        listModules.clear()
+        listModules.addAll(moduleMap.values)
+        if (listModules.size == 0) {
+            emptyRv!!.visibility = View.VISIBLE
+            recyclerView!!.visibility = View.GONE
+        } else {
+            emptyRv!!.visibility = View.GONE
+            recyclerView!!.visibility = View.VISIBLE
+            recyclerView!!.adapter = ModulesAdapter(listModules)
+        }
+        mSwipeRefreshLayout!!.isRefreshing = false
+    }*/
+}

app/src/main/java/com/topjohnwu/magisk/ui/module/ReposFragment.java

@@ -1,102 +0,0 @@
-package com.topjohnwu.magisk.ui.module;
-
-import android.app.AlertDialog;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.SearchView;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.recyclerview.widget.RecyclerView;
-import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
-
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.model.adapters.ReposAdapter;
-import com.topjohnwu.magisk.tasks.UpdateRepos;
-import com.topjohnwu.magisk.ui.base.BaseFragment;
-import com.topjohnwu.magisk.utils.Event;
-
-import butterknife.BindView;
-
-public class ReposFragment extends BaseFragment {
-
-    @BindView(R.id.recyclerView) RecyclerView recyclerView;
-    @BindView(R.id.empty_rv) TextView emptyRv;
-    @BindView(R.id.swipeRefreshLayout) SwipeRefreshLayout mSwipeRefreshLayout;
-
-    private ReposAdapter adapter;
-
-    @Override
-    public void onCreate(@Nullable Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setHasOptionsMenu(true);
-    }
-
-    @Nullable
-    @Override
-    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
-        View view = inflater.inflate(R.layout.fragment_repos, container, false);
-        unbinder = new ReposFragment_ViewBinding(this, view);
-
-        mSwipeRefreshLayout.setRefreshing(true);
-        mSwipeRefreshLayout.setOnRefreshListener(() -> new UpdateRepos().exec(true));
-
-        adapter = new ReposAdapter();
-        recyclerView.setAdapter(adapter);
-        recyclerView.setVisibility(View.GONE);
-
-        requireActivity().setTitle(R.string.downloads);
-
-        return view;
-    }
-
-    @Override
-    public void onDestroyView() {
-        super.onDestroyView();
-        Event.unregister(adapter);
-    }
-
-    @Override
-    public int[] getListeningEvents() {
-        return new int[] {Event.REPO_LOAD_DONE};
-    }
-
-    @Override
-    public void onEvent(int event) {
-        adapter.notifyDBChanged(false);
-        Event.register(adapter);
-        mSwipeRefreshLayout.setRefreshing(false);
-        boolean empty = adapter.getItemCount() == 0;
-        recyclerView.setVisibility(empty ? View.GONE : View.VISIBLE);
-        emptyRv.setVisibility(empty ? View.VISIBLE : View.GONE);
-    }
-
-    @Override
-    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-        inflater.inflate(R.menu.menu_repo, menu);
-        SearchView search = (SearchView) menu.findItem(R.id.repo_search).getActionView();
-        adapter.setSearchView(search);
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        if (item.getItemId() == R.id.repo_sort) {
-            new AlertDialog.Builder(getActivity())
-                .setTitle(R.string.sorting_order)
-                .setSingleChoiceItems(R.array.sorting_orders,
-                        Config.get(Config.Key.REPO_ORDER), (d, which) -> {
-                    Config.set(Config.Key.REPO_ORDER, which);
-                    adapter.notifyDBChanged(true);
-                    d.dismiss();
-                }).show();
-        }
-        return true;
-    }
-}

app/src/main/java/com/topjohnwu/magisk/ui/module/ReposFragment.kt

@@ -0,0 +1,104 @@
+package com.topjohnwu.magisk.ui.module
+
+import android.app.AlertDialog
+import android.content.Intent
+import android.os.Build
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.widget.SearchView
+import com.skoumal.teanity.viewevents.ViewEvent
+import com.topjohnwu.magisk.ClassMap
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.databinding.FragmentReposBinding
+import com.topjohnwu.magisk.model.download.DownloadModuleService
+import com.topjohnwu.magisk.model.entity.Repo
+import com.topjohnwu.magisk.model.events.InstallModuleEvent
+import com.topjohnwu.magisk.model.events.OpenChangelogEvent
+import com.topjohnwu.magisk.ui.base.MagiskFragment
+import com.topjohnwu.magisk.view.MarkDownWindow
+import com.topjohnwu.magisk.view.dialogs.CustomAlertDialog
+import org.koin.androidx.viewmodel.ext.android.sharedViewModel
+
+class ReposFragment : MagiskFragment<ModuleViewModel, FragmentReposBinding>(),
+    SearchView.OnQueryTextListener {
+
+    override val layoutRes: Int = R.layout.fragment_repos
+    override val viewModel: ModuleViewModel by sharedViewModel()
+
+    override fun onStart() {
+        super.onStart()
+        setHasOptionsMenu(true)
+        requireActivity().setTitle(R.string.downloads)
+    }
+
+    override fun onEventDispatched(event: ViewEvent) {
+        super.onEventDispatched(event)
+        when (event) {
+            is OpenChangelogEvent -> openChangelog(event.item)
+            is InstallModuleEvent -> installModule(event.item)
+        }
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        inflater.inflate(R.menu.menu_repo, menu)
+        (menu.findItem(R.id.repo_search).actionView as? SearchView)
+            ?.setOnQueryTextListener(this)
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        if (item.itemId == R.id.repo_sort) {
+            AlertDialog.Builder(activity)
+                .setTitle(R.string.sorting_order)
+                .setSingleChoiceItems(
+                    R.array.sorting_orders,
+                    Config.get<Int>(Config.Key.REPO_ORDER)!!
+                ) { d, which ->
+                    Config.set(Config.Key.REPO_ORDER, which)
+                    viewModel.updateRepos()
+                    d.dismiss()
+                }.show()
+        }
+        return true
+    }
+
+    override fun onQueryTextSubmit(p0: String?): Boolean {
+        viewModel.query.value = p0.orEmpty()
+        return false
+    }
+
+    override fun onQueryTextChange(p0: String?): Boolean {
+        viewModel.query.value = p0.orEmpty()
+        return false
+    }
+
+    private fun openChangelog(item: Repo) {
+        MarkDownWindow.show(context, null, item.detailUrl)
+    }
+
+    private fun installModule(item: Repo) {
+        val context = magiskActivity
+
+        fun download(install: Boolean) {
+            context.runWithExternalRW {
+                val intent = Intent(activity, ClassMap.get<Any>(DownloadModuleService::class.java))
+                    .putExtra("repo", item).putExtra("install", install)
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                    context.startForegroundService(intent) //hmm, service starts itself in foreground, this seems unnecessary
+                } else {
+                    context.startService(intent)
+                }
+            }
+        }
+
+        CustomAlertDialog(context)
+            .setTitle(context.getString(R.string.repo_install_title, item.name))
+            .setMessage(context.getString(R.string.repo_install_msg, item.downloadFilename))
+            .setCancelable(true)
+            .setPositiveButton(R.string.install) { _, _ -> download(true) }
+            .setNeutralButton(R.string.download) { _, _ -> download(false) }
+            .setNegativeButton(R.string.no_thanks, null)
+            .show()
+    }
+}

app/src/main/java/com/topjohnwu/magisk/ui/settings/SettingsFragment.java

@@ -8,13 +8,6 @@ import android.view.View;
 import android.widget.EditText;
 import android.widget.Toast;
 
-import androidx.appcompat.app.AlertDialog;
-import androidx.preference.ListPreference;
-import androidx.preference.Preference;
-import androidx.preference.PreferenceCategory;
-import androidx.preference.PreferenceScreen;
-import androidx.preference.SwitchPreferenceCompat;
-
 import com.topjohnwu.magisk.BuildConfig;
 import com.topjohnwu.magisk.Config;
 import com.topjohnwu.magisk.Const;
@@ -35,18 +28,32 @@ import java.io.IOException;
 import java.util.Arrays;
 import java.util.Locale;
 
+import androidx.appcompat.app.AlertDialog;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreferenceCompat;
+
 public class SettingsFragment extends BasePreferenceFragment {
 
     private ListPreference updateChannel, autoRes, suNotification,
             requestTimeout, rootConfig, multiuserConfig, nsConfig;
 
     @Override
-    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+    public void onStart() {
-        setPreferencesFromResource(R.xml.app_settings, rootKey);
+        super.onStart();
+        setHasOptionsMenu(true);
         requireActivity().setTitle(R.string.settings);
+    }
+
+    @Override
+    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+        getPreferenceManager().setStorageDeviceProtected();
+        setPreferencesFromResource(R.xml.app_settings, rootKey);
 
         boolean showSuperuser = Utils.showSuperUser();
-        app.prefs.edit()
+        app.getPrefs().edit()
                 .putBoolean(Config.Key.SU_FINGERPRINT, FingerprintHelper.useFingerprint())
                 .apply();
 
@@ -66,8 +73,8 @@ public class SettingsFragment extends BasePreferenceFragment {
             return true;
         });
         findPreference("clear").setOnPreferenceClickListener(pref -> {
-            app.prefs.edit().remove(Config.Key.ETAG_KEY).apply();
+            app.getPrefs().edit().remove(Config.Key.ETAG_KEY).apply();
-            app.repoDB.clearRepo();
+            app.getRepoDB().clearRepo();
             Utils.toast(R.string.repo_cache_cleared, Toast.LENGTH_SHORT);
             return true;
         });
@@ -94,12 +101,12 @@ public class SettingsFragment extends BasePreferenceFragment {
             if (channel == Config.Value.CUSTOM_CHANNEL) {
                 View v = LayoutInflater.from(requireActivity()).inflate(R.layout.custom_channel_dialog, null);
                 EditText url = v.findViewById(R.id.custom_url);
-                url.setText(app.prefs.getString(Config.Key.CUSTOM_CHANNEL, ""));
+                url.setText(app.getPrefs().getString(Config.Key.CUSTOM_CHANNEL, ""));
                 new AlertDialog.Builder(requireActivity())
                         .setTitle(R.string.settings_update_custom)
                         .setView(v)
                         .setPositiveButton(R.string.ok, (d, i) ->
-                               Config.set(Config.Key.CUSTOM_CHANNEL, url.getText().toString()))
+                                Config.set(Config.Key.CUSTOM_CHANNEL, url.getText().toString()))
                         .setNegativeButton(R.string.close, (d, i) ->
                                 Config.set(Config.Key.UPDATE_CHANNEL, prev))
                         .setOnCancelListener(d ->
@@ -183,7 +190,7 @@ public class SettingsFragment extends BasePreferenceFragment {
             case Config.Key.ROOT_ACCESS:
             case Config.Key.SU_MULTIUSER_MODE:
             case Config.Key.SU_MNT_NS:
-                app.mDB.setSettings(key, Utils.getPrefsInt(prefs, key));
+                app.getDB().setSettings(key, Utils.getPrefsInt(prefs, key));
                 break;
             case Config.Key.DARK_THEME:
                 requireActivity().recreate();

app/src/main/java/com/topjohnwu/magisk/ui/superuser/SuperuserFragment.java

@@ -1,64 +0,0 @@
-package com.topjohnwu.magisk.ui.superuser;
-
-import android.content.pm.PackageManager;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-
-import androidx.annotation.Nullable;
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.model.adapters.PolicyAdapter;
-import com.topjohnwu.magisk.model.entity.Policy;
-import com.topjohnwu.magisk.ui.base.BaseFragment;
-
-import java.util.List;
-
-import butterknife.BindView;
-
-public class SuperuserFragment extends BaseFragment {
-
-    @BindView(R.id.recyclerView) RecyclerView recyclerView;
-    @BindView(R.id.empty_rv) TextView emptyRv;
-
-    private PackageManager pm;
-
-    @Nullable
-    @Override
-    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
-        View view = inflater.inflate(R.layout.fragment_superuser, container, false);
-        unbinder = new SuperuserFragment_ViewBinding(this, view);
-
-        pm = requireActivity().getPackageManager();
-        return view;
-    }
-
-    @Override
-    public void onStart() {
-        super.onStart();
-        requireActivity().setTitle(getString(R.string.superuser));
-    }
-
-    @Override
-    public void onResume() {
-        super.onResume();
-        displayPolicyList();
-    }
-
-    private void displayPolicyList() {
-        List<Policy> policyList = app.mDB.getPolicyList();
-
-        if (policyList.size() == 0) {
-            emptyRv.setVisibility(View.VISIBLE);
-            recyclerView.setVisibility(View.GONE);
-        } else {
-            recyclerView.setAdapter(new PolicyAdapter(policyList, app.mDB, pm));
-            emptyRv.setVisibility(View.GONE);
-            recyclerView.setVisibility(View.VISIBLE);
-        }
-    }
-
-}

app/src/main/java/com/topjohnwu/magisk/ui/superuser/SuperuserFragment.kt

@@ -0,0 +1,25 @@
+package com.topjohnwu.magisk.ui.superuser
+
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.databinding.FragmentSuperuserBinding
+import com.topjohnwu.magisk.ui.base.MagiskFragment
+import org.koin.androidx.viewmodel.ext.android.viewModel
+
+class SuperuserFragment :
+    MagiskFragment<SuperuserViewModel, FragmentSuperuserBinding>() {
+
+    override val layoutRes: Int = R.layout.fragment_superuser
+    override val viewModel: SuperuserViewModel by viewModel()
+
+    override fun onStart() {
+        super.onStart()
+        setHasOptionsMenu(true)
+        requireActivity().setTitle(R.string.superuser)
+    }
+
+    override fun onResume() {
+        super.onResume()
+        viewModel.updatePolicies()
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/ui/superuser/SuperuserViewModel.kt

@@ -0,0 +1,139 @@
+package com.topjohnwu.magisk.ui.superuser
+
+import android.content.pm.PackageManager
+import android.content.res.Resources
+import com.skoumal.teanity.databinding.ComparableRvItem
+import com.skoumal.teanity.extensions.applySchedulers
+import com.skoumal.teanity.extensions.subscribeK
+import com.skoumal.teanity.rxbus.RxBus
+import com.skoumal.teanity.util.DiffObservableList
+import com.skoumal.teanity.viewevents.SnackbarEvent
+import com.topjohnwu.magisk.BR
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.data.database.MagiskDB
+import com.topjohnwu.magisk.model.entity.Policy
+import com.topjohnwu.magisk.model.entity.recycler.PolicyRvItem
+import com.topjohnwu.magisk.model.events.PolicyEnableEvent
+import com.topjohnwu.magisk.model.events.PolicyUpdateEvent
+import com.topjohnwu.magisk.ui.base.MagiskViewModel
+import com.topjohnwu.magisk.utils.FingerprintHelper
+import com.topjohnwu.magisk.utils.toggle
+import com.topjohnwu.magisk.view.dialogs.CustomAlertDialog
+import com.topjohnwu.magisk.view.dialogs.FingerprintAuthDialog
+import io.reactivex.Single
+import me.tatarka.bindingcollectionadapter2.ItemBinding
+
+class SuperuserViewModel(
+    private val database: MagiskDB,
+    private val packageManager: PackageManager,
+    private val resources: Resources,
+    rxBus: RxBus
+) : MagiskViewModel() {
+
+    val items = DiffObservableList(ComparableRvItem.callback)
+    val itemBinding = ItemBinding.of<ComparableRvItem<*>> { itemBinding, _, item ->
+        item.bind(itemBinding)
+        itemBinding.bindExtra(BR.viewModel, this@SuperuserViewModel)
+    }
+
+    private var ignoreNext: PolicyRvItem? = null
+
+    init {
+        rxBus.register<PolicyEnableEvent>()
+            .subscribeK { togglePolicy(it.item, it.enable) }
+            .add()
+        rxBus.register<PolicyUpdateEvent>()
+            .subscribeK { updatePolicy(it) }
+            .add()
+
+        updatePolicies()
+    }
+
+    fun updatePolicies() {
+        Single.fromCallable { database.policyList }
+            .flattenAsFlowable { it }
+            .map { PolicyRvItem(it, it.info.loadIcon(packageManager)) }
+            .toList()
+            .applySchedulers()
+            .applyViewModel(this)
+            .subscribeK { items.update(it) }
+            .add()
+    }
+
+    fun deletePressed(item: PolicyRvItem) {
+        fun updateState() = deletePolicy(item.item)
+            .map { items.filterIsInstance<PolicyRvItem>().toMutableList() }
+            .map { it.removeAll { it.item.packageName == item.item.packageName }; it }
+            .map { it to items.calculateDiff(it) }
+            .subscribeK { items.update(it.first, it.second) }
+            .add()
+
+        withView {
+            if (FingerprintHelper.useFingerprint()) {
+                FingerprintAuthDialog(this) { updateState() }.show()
+            } else {
+                CustomAlertDialog(this)
+                    .setTitle(R.string.su_revoke_title)
+                    .setMessage(getString(R.string.su_revoke_msg, item.item.appName))
+                    .setPositiveButton(R.string.yes) { _, _ -> updateState() }
+                    .setNegativeButton(R.string.no_thanks, null)
+                    .setCancelable(true)
+                    .show()
+            }
+        }
+    }
+
+    private fun updatePolicy(it: PolicyUpdateEvent) = when (it) {
+        is PolicyUpdateEvent.Notification -> updatePolicy(it.item) {
+            val textId = if (it.logging) R.string.su_snack_notif_on else R.string.su_snack_notif_off
+            val text = resources.getString(textId).format(it.appName)
+            SnackbarEvent(text).publish()
+        }
+        is PolicyUpdateEvent.Log -> updatePolicy(it.item) {
+            val textId =
+                if (it.notification) R.string.su_snack_log_on else R.string.su_snack_log_off
+            val text = resources.getString(textId).format(it.appName)
+            SnackbarEvent(text).publish()
+        }
+    }
+
+    private fun updatePolicy(item: PolicyRvItem, onSuccess: (Policy) -> Unit) =
+        updatePolicy(item.item)
+            .subscribeK { onSuccess(it) }
+            .add()
+
+    private fun togglePolicy(item: PolicyRvItem, enable: Boolean) {
+        fun updateState() {
+            item.item.policy = if (enable) Policy.ALLOW else Policy.DENY
+
+            updatePolicy(item.item)
+                .map { it.policy == Policy.ALLOW }
+                .subscribeK {
+                    val textId = if (it) R.string.su_snack_grant else R.string.su_snack_deny
+                    val text = resources.getString(textId).format(item.item.appName)
+                    SnackbarEvent(text).publish()
+                }
+                .add()
+        }
+
+        if (FingerprintHelper.useFingerprint()) {
+            withView {
+                FingerprintAuthDialog(this, { updateState() }, {
+                    ignoreNext = item
+                    item.isEnabled.toggle()
+                }).show()
+            }
+        } else {
+            updateState()
+        }
+    }
+
+    private fun updatePolicy(policy: Policy) =
+        Single.fromCallable { database.updatePolicy(policy); policy }
+            .applySchedulers()
+
+    private fun deletePolicy(policy: Policy) =
+        Single.fromCallable { database.deletePolicy(policy); policy }
+            .applySchedulers()
+
+}

app/src/main/java/com/topjohnwu/magisk/ui/surequest/SuRequestActivity.java

@@ -1,287 +0,0 @@
-package com.topjohnwu.magisk.ui.surequest;
-
-import android.annotation.SuppressLint;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.content.pm.PackageManager;
-import android.hardware.fingerprint.FingerprintManager;
-import android.os.Bundle;
-import android.os.CountDownTimer;
-import android.text.TextUtils;
-import android.view.View;
-import android.view.Window;
-import android.widget.ArrayAdapter;
-import android.widget.Button;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
-import android.widget.Spinner;
-import android.widget.TextView;
-
-import androidx.annotation.Nullable;
-import androidx.appcompat.content.res.AppCompatResources;
-
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.BuildConfig;
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.model.entity.Policy;
-import com.topjohnwu.magisk.ui.base.BaseActivity;
-import com.topjohnwu.magisk.utils.FingerprintHelper;
-import com.topjohnwu.magisk.utils.SuConnector;
-import com.topjohnwu.magisk.utils.SuLogger;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-
-import butterknife.BindView;
-import java9.lang.Iterables;
-
-public class SuRequestActivity extends BaseActivity {
-
-    @BindView(R.id.su_popup) LinearLayout suPopup;
-    @BindView(R.id.timeout) Spinner timeout;
-    @BindView(R.id.app_icon) ImageView appIcon;
-    @BindView(R.id.app_name) TextView appNameView;
-    @BindView(R.id.package_name) TextView packageNameView;
-    @BindView(R.id.grant_btn) Button grant_btn;
-    @BindView(R.id.deny_btn) Button deny_btn;
-    @BindView(R.id.fingerprint) ImageView fingerprintImg;
-    @BindView(R.id.warning) TextView warning;
-
-    private ActionHandler handler;
-    private Policy policy;
-    private SharedPreferences timeoutPrefs;
-
-    public static final String REQUEST = "request";
-    public static final String LOG = "log";
-    public static final String NOTIFY = "notify";
-
-    @Override
-    public int getDarkTheme() {
-        return R.style.SuRequest_Dark;
-    }
-
-    @Override
-    public void onBackPressed() {
-        handler.handleAction(Policy.DENY, -1);
-    }
-
-    @Override
-    protected void onCreate(@Nullable Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        lockOrientation();
-        supportRequestWindowFeature(Window.FEATURE_NO_TITLE);
-
-        timeoutPrefs = App.deContext.getSharedPreferences("su_timeout", 0);
-        Intent intent = getIntent();
-
-        String action = intent.getAction();
-
-        if (TextUtils.equals(action, REQUEST)) {
-            if (!handleRequest())
-                finish();
-            return;
-        }
-
-        if (TextUtils.equals(action, LOG))
-            SuLogger.handleLogs(intent);
-        else if (TextUtils.equals(action, NOTIFY))
-            SuLogger.handleNotify(intent);
-
-        finish();
-    }
-
-    private boolean handleRequest() {
-        String socketName = getIntent().getStringExtra("socket");
-
-        if (socketName == null)
-            return false;
-
-        SuConnector connector;
-        try {
-            connector = new SuConnector(socketName) {
-                @Override
-                protected void onResponse() throws IOException {
-                    out.writeInt(policy.policy);
-                }
-            };
-            Bundle bundle = connector.readSocketInput();
-            int uid = Integer.parseInt(bundle.getString("uid"));
-            app.mDB.clearOutdated();
-            policy = app.mDB.getPolicy(uid);
-            if (policy == null) {
-                policy = new Policy(uid, getPackageManager());
-            }
-        } catch (IOException | PackageManager.NameNotFoundException e) {
-            e.printStackTrace();
-            return false;
-        }
-        handler = new ActionHandler() {
-            @Override
-            void handleAction() {
-                connector.response();
-                done();
-            }
-
-            @Override
-            void handleAction(int action) {
-                int pos = timeout.getSelectedItemPosition();
-                timeoutPrefs.edit().putInt(policy.packageName, pos).apply();
-                handleAction(action, Config.Value.TIMEOUT_LIST[pos]);
-            }
-
-            @Override
-            void handleAction(int action, int time) {
-                policy.policy = action;
-                if (time >= 0) {
-                    policy.until = (time == 0) ? 0
-                            : (System.currentTimeMillis() / 1000 + time * 60);
-                    app.mDB.updatePolicy(policy);
-                }
-                handleAction();
-            }
-        };
-
-        // Never allow com.topjohnwu.magisk (could be malware)
-        if (TextUtils.equals(policy.packageName, BuildConfig.APPLICATION_ID))
-            return false;
-
-        // If not interactive, response directly
-        if (policy.policy != Policy.INTERACTIVE) {
-            handler.handleAction();
-            return true;
-        }
-
-        switch ((int) Config.get(Config.Key.SU_AUTO_RESPONSE)) {
-            case Config.Value.SU_AUTO_DENY:
-                handler.handleAction(Policy.DENY, 0);
-                return true;
-            case Config.Value.SU_AUTO_ALLOW:
-                handler.handleAction(Policy.ALLOW, 0);
-                return true;
-        }
-
-        showUI();
-        return true;
-    }
-
-    @SuppressLint("ClickableViewAccessibility")
-    private void showUI() {
-        setContentView(R.layout.activity_request);
-        new SuRequestActivity_ViewBinding(this);
-
-        appIcon.setImageDrawable(policy.info.loadIcon(getPackageManager()));
-        appNameView.setText(policy.appName);
-        packageNameView.setText(policy.packageName);
-        warning.setCompoundDrawablesRelativeWithIntrinsicBounds(
-                AppCompatResources.getDrawable(this, R.drawable.ic_warning), null, null, null);
-
-        ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this,
-                R.array.allow_timeout, android.R.layout.simple_spinner_item);
-        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
-        timeout.setAdapter(adapter);
-        timeout.setSelection(timeoutPrefs.getInt(policy.packageName, 0));
-
-        CountDownTimer timer = new CountDownTimer(
-                (int) Config.get(Config.Key.SU_REQUEST_TIMEOUT) * 1000, 1000) {
-            @Override
-            public void onTick(long remains) {
-                deny_btn.setText(getString(R.string.deny) + "(" + remains / 1000 + ")");
-            }
-            @Override
-            public void onFinish() {
-                deny_btn.setText(getString(R.string.deny));
-                handler.handleAction(Policy.DENY);
-            }
-        };
-        timer.start();
-        Runnable cancelTimer = () -> {
-            timer.cancel();
-            deny_btn.setText(getString(R.string.deny));
-        };
-        handler.addCancel(cancelTimer);
-
-        boolean useFP = FingerprintHelper.useFingerprint();
-
-        if (useFP) try {
-            FingerprintHelper helper = new SuFingerprint();
-            helper.authenticate();
-            handler.addCancel(helper::cancel);
-        } catch (Exception e) {
-            e.printStackTrace();
-            useFP = false;
-        }
-
-        if (!useFP) {
-            grant_btn.setOnClickListener(v -> {
-                handler.handleAction(Policy.ALLOW);
-                timer.cancel();
-            });
-            grant_btn.requestFocus();
-        }
-
-        grant_btn.setVisibility(useFP ? View.GONE : View.VISIBLE);
-        fingerprintImg.setVisibility(useFP ? View.VISIBLE : View.GONE);
-
-        deny_btn.setOnClickListener(v -> {
-            handler.handleAction(Policy.DENY);
-            timer.cancel();
-        });
-        suPopup.setOnClickListener(v -> cancelTimer.run());
-        timeout.setOnTouchListener((v, event) -> {
-            cancelTimer.run();
-            return false;
-        });
-    }
-
-    private class SuFingerprint extends FingerprintHelper {
-
-        SuFingerprint() throws Exception {}
-
-        @Override
-        public void onAuthenticationError(int errorCode, CharSequence errString) {
-            warning.setText(errString);
-        }
-
-        @Override
-        public void onAuthenticationHelp(int helpCode, CharSequence helpString) {
-            warning.setText(helpString);
-        }
-
-        @Override
-        public void onAuthenticationSucceeded(FingerprintManager.AuthenticationResult result) {
-            handler.handleAction(Policy.ALLOW);
-        }
-
-        @Override
-        public void onAuthenticationFailed() {
-            warning.setText(R.string.auth_fail);
-        }
-    }
-
-    private class ActionHandler {
-        private List<Runnable> cancelTasks = new ArrayList<>();
-
-        void handleAction() {
-            done();
-        }
-
-        void handleAction(int action) {
-            done();
-        }
-
-        void handleAction(int action, int time) {
-            done();
-        }
-
-        void addCancel(Runnable r) {
-            cancelTasks.add(r);
-        }
-
-        void done() {
-            Iterables.forEach(cancelTasks, Runnable::run);
-            finish();
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/ui/surequest/SuRequestActivity.kt

@@ -0,0 +1,67 @@
+package com.topjohnwu.magisk.ui.surequest
+
+import android.content.pm.ActivityInfo
+import android.os.Build
+import android.os.Bundle
+import android.text.TextUtils
+import android.view.Window
+import com.skoumal.teanity.viewevents.ViewEvent
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.databinding.ActivityRequestBinding
+import com.topjohnwu.magisk.model.entity.Policy
+import com.topjohnwu.magisk.model.events.DieEvent
+import com.topjohnwu.magisk.ui.base.MagiskActivity
+import com.topjohnwu.magisk.utils.SuLogger
+import org.koin.androidx.viewmodel.ext.android.viewModel
+
+open class SuRequestActivity : MagiskActivity<SuRequestViewModel, ActivityRequestBinding>() {
+
+    override val layoutRes: Int = R.layout.activity_request
+    override val viewModel: SuRequestViewModel by viewModel()
+
+    override fun onBackPressed() {
+        viewModel.handler?.handleAction(Policy.DENY, -1)
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        supportRequestWindowFeature(Window.FEATURE_NO_TITLE)
+        lockOrientation()
+        super.onCreate(savedInstanceState)
+
+        val intent = intent
+        val action = intent.action
+
+        if (TextUtils.equals(action, REQUEST)) {
+            if (!viewModel.handleRequest(intent) {})
+                finish()
+            return
+        }
+
+        if (TextUtils.equals(action, LOG))
+            SuLogger.handleLogs(intent)
+        else if (TextUtils.equals(action, NOTIFY))
+            SuLogger.handleNotify(intent)
+
+        finish()
+    }
+
+    override fun onEventDispatched(event: ViewEvent) {
+        super.onEventDispatched(event)
+        when (event) {
+            is DieEvent -> finish()
+        }
+    }
+
+    private fun lockOrientation() {
+        requestedOrientation = if (Build.VERSION.SDK_INT < 18)
+            resources.configuration.orientation
+        else
+            ActivityInfo.SCREEN_ORIENTATION_LOCKED
+    }
+
+    companion object {
+        const val REQUEST = "request"
+        const val LOG = "log"
+        const val NOTIFY = "notify"
+    }
+}

app/src/main/java/com/topjohnwu/magisk/ui/surequest/SuRequestViewModel.kt

@@ -0,0 +1,251 @@
+package com.topjohnwu.magisk.ui.surequest
+
+import android.annotation.SuppressLint
+import android.content.Intent
+import android.content.SharedPreferences
+import android.content.pm.PackageManager
+import android.content.res.Resources
+import android.graphics.drawable.Drawable
+import android.hardware.fingerprint.FingerprintManager
+import android.os.CountDownTimer
+import android.text.TextUtils
+import com.skoumal.teanity.databinding.ComparableRvItem
+import com.skoumal.teanity.util.DiffObservableList
+import com.skoumal.teanity.util.KObservableField
+import com.topjohnwu.magisk.BuildConfig
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.data.database.MagiskDB
+import com.topjohnwu.magisk.model.entity.Policy
+import com.topjohnwu.magisk.model.entity.recycler.SpinnerRvItem
+import com.topjohnwu.magisk.model.events.DieEvent
+import com.topjohnwu.magisk.ui.base.MagiskViewModel
+import com.topjohnwu.magisk.utils.FingerprintHelper
+import com.topjohnwu.magisk.utils.SuConnector
+import com.topjohnwu.magisk.utils.now
+import me.tatarka.bindingcollectionadapter2.ItemBinding
+import java.io.IOException
+import java.util.concurrent.TimeUnit.*
+
+class SuRequestViewModel(
+    private val packageManager: PackageManager,
+    private val database: MagiskDB,
+    private val timeoutPrefs: SharedPreferences,
+    private val resources: Resources
+) : MagiskViewModel() {
+
+    val icon = KObservableField<Drawable?>(null)
+    val title = KObservableField("")
+    val packageName = KObservableField("")
+
+    val denyText = KObservableField(resources.getString(R.string.deny))
+    val warningText = KObservableField<CharSequence>(resources.getString(R.string.su_warning))
+
+    val canUseFingerprint = KObservableField(FingerprintHelper.useFingerprint())
+    val selectedItemPosition = KObservableField(0)
+
+    val items = DiffObservableList(ComparableRvItem.callback)
+    val itemBinding = ItemBinding.of<ComparableRvItem<*>> { binding, _, item ->
+        item.bind(binding)
+    }
+
+
+    var handler: ActionHandler? = null
+    private var timer: CountDownTimer? = null
+    private var policy: Policy? = null
+        set(value) {
+            field = value
+            updatePolicy(value)
+        }
+
+    init {
+        resources.getStringArray(R.array.allow_timeout)
+            .map { SpinnerRvItem(it) }
+            .let { items.update(it) }
+    }
+
+    private fun updatePolicy(policy: Policy?) {
+        policy ?: return
+
+        icon.value = policy.info.loadIcon(packageManager)
+        title.value = policy.appName
+        packageName.value = policy.packageName
+
+        selectedItemPosition.value = timeoutPrefs.getInt(policy.packageName, 0)
+    }
+
+    private fun cancelTimer() {
+        timer?.cancel()
+        denyText.value = resources.getString(R.string.deny)
+    }
+
+    fun grantPressed() {
+        handler?.handleAction(Policy.ALLOW)
+        timer?.cancel()
+    }
+
+    fun denyPressed() {
+        handler?.handleAction(Policy.DENY)
+        timer?.cancel()
+    }
+
+    fun spinnerTouched(): Boolean {
+        cancelTimer()
+        return false
+    }
+
+    fun handleRequest(intent: Intent, createUICallback: () -> Unit): Boolean {
+        val socketName = intent.getStringExtra("socket") ?: return false
+
+        val connector: SuConnector
+        try {
+            connector = object : SuConnector(socketName) {
+                @Throws(IOException::class)
+                override fun onResponse() {
+                    out.writeInt(policy?.policy ?: return)
+                }
+            }
+            val bundle = connector.readSocketInput()
+            val uid = bundle.getString("uid")?.toIntOrNull() ?: return false
+            database.clearOutdated()
+            policy = database.getPolicy(uid) ?: Policy(uid, packageManager)
+        } catch (e: IOException) {
+            e.printStackTrace()
+            return false
+        } catch (e: PackageManager.NameNotFoundException) {
+            e.printStackTrace()
+            return false
+        }
+
+        handler = object : ActionHandler() {
+            override fun handleAction() {
+                connector.response()
+                done()
+            }
+
+            override fun handleAction(action: Int) {
+                val pos = selectedItemPosition.value
+                timeoutPrefs.edit().putInt(policy?.packageName, pos).apply()
+                handleAction(action, Config.Value.TIMEOUT_LIST[pos])
+            }
+
+            override fun handleAction(action: Int, time: Int) {
+                policy?.apply {
+                    policy = action
+                    if (time >= 0) {
+                        until = if (time == 0) {
+                            0
+                        } else {
+                            MILLISECONDS.toSeconds(now) + MINUTES.toSeconds(time.toLong())
+                        }
+                        database.updatePolicy(this)
+                    }
+                }
+                policy?.policy = action
+
+                handleAction()
+            }
+        }
+
+        // Never allow com.topjohnwu.magisk (could be malware)
+        if (TextUtils.equals(policy?.packageName, BuildConfig.APPLICATION_ID))
+            return false
+
+        // If not interactive, response directly
+        if (policy?.policy != Policy.INTERACTIVE) {
+            handler?.handleAction()
+            return true
+        }
+
+        when (Config.get<Any>(Config.Key.SU_AUTO_RESPONSE) as Int) {
+            Config.Value.SU_AUTO_DENY -> {
+                handler?.handleAction(Policy.DENY, 0)
+                return true
+            }
+            Config.Value.SU_AUTO_ALLOW -> {
+                handler?.handleAction(Policy.ALLOW, 0)
+                return true
+            }
+        }
+
+        createUICallback()
+        showUI()
+        return true
+    }
+
+    @SuppressLint("ClickableViewAccessibility")
+    private fun showUI() {
+        val seconds = Config.get<Int>(Config.Key.SU_REQUEST_TIMEOUT).toLong()
+        val millis = SECONDS.toMillis(seconds)
+        timer = object : CountDownTimer(millis, 1000) {
+            override fun onTick(remains: Long) {
+                denyText.value = "%s (%d)"
+                    .format(resources.getString(R.string.deny), remains / 1000)
+            }
+
+            override fun onFinish() {
+                denyText.value = resources.getString(R.string.deny)
+                handler?.handleAction(Policy.DENY)
+            }
+        }
+        timer?.start()
+        handler?.addCancel(Runnable { cancelTimer() })
+
+        val useFP = canUseFingerprint.value
+
+        if (useFP)
+            try {
+                val helper = SuFingerprint()
+                helper.authenticate()
+                handler?.addCancel(Runnable { helper.cancel() })
+            } catch (e: Exception) {
+                e.printStackTrace()
+            }
+    }
+
+    private inner class SuFingerprint @Throws(Exception::class)
+    internal constructor() : FingerprintHelper() {
+
+        override fun onAuthenticationError(errorCode: Int, errString: CharSequence) {
+            warningText.value = errString
+        }
+
+        override fun onAuthenticationHelp(helpCode: Int, helpString: CharSequence) {
+            warningText.value = helpString
+        }
+
+        override fun onAuthenticationSucceeded(result: FingerprintManager.AuthenticationResult) {
+            handler?.handleAction(Policy.ALLOW)
+        }
+
+        override fun onAuthenticationFailed() {
+            warningText.value = resources.getString(R.string.auth_fail)
+        }
+    }
+
+    open inner class ActionHandler {
+        private val cancelTasks = mutableListOf<Runnable>()
+
+        internal open fun handleAction() {
+            done()
+        }
+
+        internal open fun handleAction(action: Int) {
+            done()
+        }
+
+        internal open fun handleAction(action: Int, time: Int) {
+            done()
+        }
+
+        internal fun addCancel(r: Runnable) {
+            cancelTasks.add(r)
+        }
+
+        internal fun done() {
+            cancelTasks.forEach { it.run() }
+            DieEvent().publish()
+        }
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/ui/surequest/_SuRequestActivity.kt

@@ -0,0 +1,166 @@
+package com.topjohnwu.magisk.ui.surequest
+
+import android.hardware.fingerprint.FingerprintManager
+import android.os.CountDownTimer
+import android.text.SpannableStringBuilder
+import android.widget.Toast
+import androidx.core.text.bold
+import com.skoumal.teanity.viewevents.ViewEvent
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.databinding.ActivitySuRequestBinding
+import com.topjohnwu.magisk.model.entity.Policy
+import com.topjohnwu.magisk.model.events.DieEvent
+import com.topjohnwu.magisk.model.events.SuDialogEvent
+import com.topjohnwu.magisk.ui.base.MagiskActivity
+import com.topjohnwu.magisk.utils.FingerprintHelper
+import com.topjohnwu.magisk.utils.feature.WIP
+import com.topjohnwu.magisk.view.MagiskDialog
+import org.koin.androidx.viewmodel.ext.android.viewModel
+import org.koin.core.parameter.parametersOf
+import timber.log.Timber
+import java.util.concurrent.TimeUnit.MILLISECONDS
+import java.util.concurrent.TimeUnit.SECONDS
+
+@WIP
+open class _SuRequestActivity : MagiskActivity<_SuRequestViewModel, ActivitySuRequestBinding>() {
+
+    override val layoutRes: Int = R.layout.activity_su_request
+    override val viewModel: _SuRequestViewModel by viewModel {
+        parametersOf(intent, intent.action)
+    }
+
+    //private val timeoutPrefs: SharedPreferences by inject(SUTimeout)
+    private val canUseFingerprint get() = FingerprintHelper.useFingerprint()
+
+    private val countdown by lazy {
+        val seconds = Config.get<Int>(Config.Key.SU_REQUEST_TIMEOUT).toLong()
+        val millis = SECONDS.toMillis(seconds)
+        object : CountDownTimer(millis, 1000) {
+            override fun onFinish() {
+                viewModel.deny()
+            }
+
+            override fun onTick(millisUntilFinished: Long) {
+                dialog.applyButton(MagiskDialog.ButtonType.NEGATIVE) {
+                    Timber.e("Tick, tock")
+                    title = "%s (%d)".format(
+                        getString(R.string.deny),
+                        MILLISECONDS.toSeconds(millisUntilFinished)
+                    )
+                }
+            }
+        }
+    }
+
+    private var fingerprintHelper: SuFingerprint? = null
+
+    private lateinit var dialog: MagiskDialog
+
+    override fun onEventDispatched(event: ViewEvent) {
+        super.onEventDispatched(event)
+        when (event) {
+            is SuDialogEvent -> showDialog(event.policy)
+            is DieEvent -> finish()
+        }
+    }
+
+    override fun onBackPressed() {
+        if (::dialog.isInitialized && dialog.isShowing) {
+            return
+        }
+        super.onBackPressed()
+    }
+
+    override fun onDestroy() {
+        if (this::dialog.isInitialized && dialog.isShowing) {
+            dialog.dismiss()
+        }
+        fingerprintHelper?.cancel()
+        countdown.cancel()
+        super.onDestroy()
+    }
+
+    private fun showDialog(policy: Policy) {
+        val titleText = SpannableStringBuilder("Allow ")
+            .bold { append(policy.appName) }
+            .append(" to access superuser rights?")
+
+        val messageText = StringBuilder()
+            .appendln(policy.packageName)
+            .append(getString(R.string.su_warning))
+
+        dialog = MagiskDialog(this)
+            .applyIcon(policy.info.loadIcon(packageManager))
+            .applyTitle(titleText)
+            .applyMessage(messageText)
+            //.applyView()) {} //todo add a spinner
+            .cancellable(false)
+            .applyButton(MagiskDialog.ButtonType.POSITIVE) {
+                titleRes = R.string.grant
+                onClick { viewModel.grant() }
+                if (canUseFingerprint) {
+                    icon = R.drawable.ic_fingerprint
+                }
+            }
+            .applyButton(MagiskDialog.ButtonType.NEUTRAL) {
+                title = "%s %s".format(getString(R.string.grant), getString(R.string.once))
+                onClick { viewModel.grant(-1) }
+            }
+            .applyButton(MagiskDialog.ButtonType.NEGATIVE) {
+                titleRes = R.string.deny
+                onClick { viewModel.deny() }
+            }
+            .onDismiss { finish() }
+            .onShow {
+                startTimer().also { Timber.e("Starting timer") }
+                if (canUseFingerprint) {
+                    startFingerprintQuery()
+                }
+            }
+            .reveal()
+    }
+
+    private fun startTimer() {
+        countdown.start()
+    }
+
+    private fun startFingerprintQuery() {
+        val result = runCatching {
+            fingerprintHelper = SuFingerprint().apply { authenticate() }
+        }
+
+        if (result.isFailure) {
+            dialog.applyButton(MagiskDialog.ButtonType.POSITIVE) {
+                icon = 0
+            }
+        }
+    }
+
+    private inner class SuFingerprint @Throws(Exception::class)
+    internal constructor() : FingerprintHelper() {
+
+        override fun onAuthenticationError(errorCode: Int, errString: CharSequence) {
+            Toast.makeText(this@_SuRequestActivity, errString, Toast.LENGTH_LONG).show()
+        }
+
+        override fun onAuthenticationHelp(helpCode: Int, helpString: CharSequence) {
+            Toast.makeText(this@_SuRequestActivity, helpString, Toast.LENGTH_LONG).show()
+        }
+
+        override fun onAuthenticationSucceeded(result: FingerprintManager.AuthenticationResult) {
+            viewModel.grant()
+        }
+
+        override fun onAuthenticationFailed() {
+            Toast.makeText(this@_SuRequestActivity, R.string.auth_fail, Toast.LENGTH_LONG).show()
+        }
+    }
+
+    companion object {
+
+        const val REQUEST = "request"
+        const val LOG = "log"
+        const val NOTIFY = "notify"
+    }
+}

app/src/main/java/com/topjohnwu/magisk/ui/surequest/_SuRequestViewModel.kt

@@ -0,0 +1,112 @@
+package com.topjohnwu.magisk.ui.surequest
+
+import android.content.Intent
+import android.content.pm.PackageManager
+import com.skoumal.teanity.extensions.subscribeK
+import com.topjohnwu.magisk.BuildConfig
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.data.database.MagiskDB
+import com.topjohnwu.magisk.model.entity.Policy
+import com.topjohnwu.magisk.model.events.DieEvent
+import com.topjohnwu.magisk.model.events.SuDialogEvent
+import com.topjohnwu.magisk.ui.base.MagiskViewModel
+import com.topjohnwu.magisk.utils.SuConnector
+import com.topjohnwu.magisk.utils.SuLogger
+import com.topjohnwu.magisk.utils.feature.WIP
+import com.topjohnwu.magisk.utils.now
+import io.reactivex.Single
+import timber.log.Timber
+import java.util.concurrent.TimeUnit.MILLISECONDS
+import java.util.concurrent.TimeUnit.MINUTES
+
+@WIP
+class _SuRequestViewModel(
+    intent: Intent,
+    action: String,
+    private val packageManager: PackageManager,
+    private val database: MagiskDB
+) : MagiskViewModel() {
+
+    private val connector: Single<SuConnector> = Single.fromCallable {
+        val socketName = intent.extras?.getString("socket") ?: let {
+            deny()
+            throw IllegalStateException("Socket is empty or null")
+        }
+        object : SuConnector(socketName) {
+            override fun onResponse() {
+                policy.subscribeK { out.writeInt(it.policy) } //this just might be incorrect, lol
+            }
+        } as SuConnector
+    }.cache()
+
+    private val policy: Single<Policy> = connector.map {
+        val bundle = it.readSocketInput() ?: throw IllegalStateException("Socket bundle is null")
+        val uid = bundle.getString("uid")?.toIntOrNull() ?: let {
+            deny()
+            throw IllegalStateException("UID is empty or null")
+        }
+        database.clearOutdated()
+        database.getPolicy(uid) ?: Policy(uid, packageManager)
+    }.cache()
+
+    init {
+        when (action) {
+            SuRequestActivity.LOG -> SuLogger.handleLogs(intent).also { die() }
+            SuRequestActivity.NOTIFY -> SuLogger.handleNotify(intent).also { die() }
+            SuRequestActivity.REQUEST -> process()
+            else -> back() // invalid action, should ignore
+        }
+    }
+
+    private fun process() {
+        policy.subscribeK(onError = ::deny) { process(it) }
+    }
+
+    private fun process(policy: Policy) {
+        if (policy.packageName == BuildConfig.APPLICATION_ID)
+            deny().also { return }
+
+        if (policy.policy != Policy.INTERACTIVE)
+            grant().also { return }
+
+        when (Config.get<Int>(Config.Key.SU_AUTO_RESPONSE)) {
+            Config.Value.SU_AUTO_DENY -> deny().also { return }
+            Config.Value.SU_AUTO_ALLOW -> grant().also { return }
+        }
+
+        requestDialog(policy)
+    }
+
+    fun deny(e: Throwable? = null) = updatePolicy(Policy.DENY, 0).also { Timber.e(e) }
+    fun grant(time: Long = 0) = updatePolicy(Policy.ALLOW, time)
+
+    private fun updatePolicy(action: Int, time: Long) {
+
+        fun finish(e: Throwable? = null) = die().also { Timber.e(e) }
+
+        policy
+            .map { it.policy = action; it }
+            .doOnSuccess {
+                if (time >= 0) {
+                    it.until = if (time == 0L) {
+                        0
+                    } else {
+                        MILLISECONDS.toSeconds(now) + MINUTES.toSeconds(time)
+                    }
+                    database.updatePolicy(it)
+                }
+            }
+            .flatMap { connector }
+            .subscribeK(onError = ::finish) {
+                it.response()
+                finish()
+            }
+    }
+
+    private fun requestDialog(policy: Policy) {
+        SuDialogEvent(policy).publish()
+    }
+
+    private fun die() = DieEvent().publish()
+
+}

app/src/main/java/com/topjohnwu/magisk/utils/DataBindingAdapters.kt

@@ -0,0 +1,144 @@
+package com.topjohnwu.magisk.utils
+
+import android.view.View
+import android.widget.AdapterView
+import android.widget.Spinner
+import android.widget.TextView
+import androidx.annotation.ColorInt
+import androidx.annotation.DrawableRes
+import androidx.appcompat.widget.AppCompatImageView
+import androidx.appcompat.widget.Toolbar
+import androidx.databinding.BindingAdapter
+import androidx.databinding.InverseBindingAdapter
+import androidx.databinding.InverseBindingListener
+import androidx.drawerlayout.widget.DrawerLayout
+import androidx.interpolator.view.animation.FastOutSlowInInterpolator
+import androidx.viewpager.widget.ViewPager
+import com.google.android.material.navigation.NavigationView
+import com.skoumal.teanity.extensions.subscribeK
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.model.entity.state.IndeterminateState
+import io.reactivex.Observable
+import io.reactivex.disposables.Disposable
+import java.util.concurrent.TimeUnit
+
+
+@BindingAdapter("onNavigationClick")
+fun setOnNavigationClickedListener(view: Toolbar, listener: View.OnClickListener) {
+    view.setNavigationOnClickListener(listener)
+}
+
+@BindingAdapter("onNavigationClick")
+fun setOnNavigationClickedListener(
+    view: NavigationView,
+    listener: NavigationView.OnNavigationItemSelectedListener
+) {
+    view.setNavigationItemSelectedListener {
+        (view.parent as? DrawerLayout)?.closeDrawers()
+        listener.onNavigationItemSelected(it)
+    }
+}
+
+@BindingAdapter("srcCompat")
+fun setImageResource(view: AppCompatImageView, @DrawableRes resId: Int) {
+    view.setImageResource(resId)
+}
+
+@BindingAdapter("app:tint")
+fun setTint(view: AppCompatImageView, @ColorInt tint: Int) {
+    view.setColorFilter(tint)
+}
+
+@BindingAdapter("isChecked")
+fun setChecked(view: AppCompatImageView, isChecked: Boolean) {
+    val state = when (isChecked) {
+        true -> IndeterminateState.CHECKED
+        else -> IndeterminateState.UNCHECKED
+    }
+    setChecked(view, state)
+}
+
+@BindingAdapter("isChecked")
+fun setChecked(view: AppCompatImageView, isChecked: IndeterminateState) {
+    view.setImageResource(
+        when (isChecked) {
+            IndeterminateState.INDETERMINATE -> R.drawable.ic_indeterminate
+            IndeterminateState.CHECKED -> R.drawable.ic_checked
+            IndeterminateState.UNCHECKED -> R.drawable.ic_unchecked
+        }
+    )
+}
+
+@BindingAdapter("position")
+fun setPosition(view: ViewPager, position: Int) {
+    view.currentItem = position
+}
+
+@InverseBindingAdapter(attribute = "position", event = "positionChanged")
+fun getPosition(view: ViewPager) = view.currentItem
+
+@BindingAdapter("positionChanged")
+fun setPositionChangedListener(view: ViewPager, listener: InverseBindingListener) {
+    view.addOnPageChangeListener(object : ViewPager.OnPageChangeListener {
+        override fun onPageSelected(position: Int) = listener.onChange()
+        override fun onPageScrollStateChanged(state: Int) = listener.onChange()
+        override fun onPageScrolled(
+            position: Int,
+            positionOffset: Float,
+            positionOffsetPixels: Int
+        ) = listener.onChange()
+    })
+}
+
+@BindingAdapter("invisibleScale")
+fun setInvisibleWithScale(view: View, isInvisible: Boolean) {
+    view.animate()
+        .scaleX(if (isInvisible) 0f else 1f)
+        .scaleY(if (isInvisible) 0f else 1f)
+        .setInterpolator(FastOutSlowInInterpolator())
+        .start()
+}
+
+@BindingAdapter("movieBehavior", "movieBehaviorText")
+fun setMovieBehavior(view: TextView, isMovieBehavior: Boolean, text: String) {
+    (view.tag as? Disposable)?.dispose()
+    if (isMovieBehavior) {
+        val observer = Observable
+            .interval(150, TimeUnit.MILLISECONDS)
+            .subscribeK {
+                view.text = text.replaceRandomWithSpecial()
+            }
+        view.tag = observer
+    } else {
+        view.text = text
+    }
+}
+
+@BindingAdapter("android:selectedItemPosition")
+fun setSelectedItemPosition(view: Spinner, position: Int) {
+    view.setSelection(position)
+}
+
+@InverseBindingAdapter(
+    attribute = "android:selectedItemPosition",
+    event = "android:selectedItemPositionAttrChanged"
+)
+fun getSelectedItemPosition(view: Spinner) = view.selectedItemPosition
+
+@BindingAdapter("android:selectedItemPositionAttrChanged")
+fun setSelectedItemPositionListener(view: Spinner, listener: InverseBindingListener) {
+    view.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
+        override fun onNothingSelected(p0: AdapterView<*>?) {
+            listener.onChange()
+        }
+
+        override fun onItemSelected(p0: AdapterView<*>?, p1: View?, p2: Int, p3: Long) {
+            listener.onChange()
+        }
+    }
+}
+
+@BindingAdapter("onTouch")
+fun setOnTouchListener(view: View, listener: View.OnTouchListener) {
+    view.setOnTouchListener(listener)
+}

app/src/main/java/com/topjohnwu/magisk/utils/PatchAPK.java

@@ -3,8 +3,6 @@ package com.topjohnwu.magisk.utils;
 import android.content.ComponentName;
 import android.widget.Toast;
 
-import androidx.core.app.NotificationCompat;
-
 import com.topjohnwu.magisk.App;
 import com.topjohnwu.magisk.BuildConfig;
 import com.topjohnwu.magisk.ClassMap;
@@ -29,6 +27,8 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.jar.JarEntry;
 
+import androidx.core.app.NotificationCompat;
+
 public class PatchAPK {
 
     public static final String LOWERALPHA = "abcdefghijklmnopqrstuvwxyz";

app/src/main/java/com/topjohnwu/magisk/utils/SuLogger.java

@@ -37,7 +37,7 @@ public class SuLogger {
             }
         } else {
             // Doesn't report whether notify or not, check database ourselves
-            policy = app.mDB.getPolicy(fromUid);
+            policy = app.getDB().getPolicy(fromUid);
             if (policy == null)
                 return;
             notify = policy.notification;
@@ -62,7 +62,7 @@ public class SuLogger {
         log.fromPid = pid;
         log.command = command;
         log.date = new Date();
-        app.mDB.addLog(log);
+        app.getDB().addLog(log);
     }
 
     private static void handleNotify(Policy policy) {

app/src/main/java/com/topjohnwu/magisk/utils/Utils.java

@@ -12,12 +12,6 @@ import android.net.Uri;
 import android.provider.OpenableColumns;
 import android.widget.Toast;
 
-import androidx.work.Constraints;
-import androidx.work.ExistingPeriodicWorkPolicy;
-import androidx.work.NetworkType;
-import androidx.work.PeriodicWorkRequest;
-import androidx.work.WorkManager;
-
 import com.topjohnwu.magisk.App;
 import com.topjohnwu.magisk.BuildConfig;
 import com.topjohnwu.magisk.ClassMap;
@@ -36,6 +30,12 @@ import java.util.Locale;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
+import androidx.work.Constraints;
+import androidx.work.ExistingPeriodicWorkPolicy;
+import androidx.work.NetworkType;
+import androidx.work.PeriodicWorkRequest;
+import androidx.work.WorkManager;
+
 public class Utils {
 
     public static void toast(CharSequence msg, int duration) {

app/src/main/java/com/topjohnwu/magisk/utils/XAndroid.kt

@@ -0,0 +1,50 @@
+package com.topjohnwu.magisk.utils
+
+import android.content.pm.ApplicationInfo
+import android.content.pm.ComponentInfo
+import android.content.pm.PackageInfo
+import android.content.pm.PackageManager
+import android.content.pm.PackageManager.*
+
+val PackageInfo.processes
+    get() = activities?.processNames.orEmpty() +
+            services?.processNames.orEmpty() +
+            receivers?.processNames.orEmpty() +
+            providers?.processNames.orEmpty()
+
+val Array<out ComponentInfo>.processNames get() = mapNotNull { it.processName }
+
+val ApplicationInfo.packageInfo: PackageInfo?
+    get() {
+        val pm: PackageManager by inject()
+
+        return try {
+            val request = GET_ACTIVITIES or
+                    GET_SERVICES or
+                    GET_RECEIVERS or
+                    GET_PROVIDERS
+            pm.getPackageInfo(packageName, request)
+        } catch (e1: Exception) {
+            try {
+                pm.activities(packageName).apply {
+                    services = pm.services(packageName)
+                    receivers = pm.receivers(packageName)
+                    providers = pm.providers(packageName)
+                }
+            } catch (e2: Exception) {
+                null
+            }
+        }
+    }
+
+fun PackageManager.activities(packageName: String) =
+    getPackageInfo(packageName, GET_ACTIVITIES)
+
+fun PackageManager.services(packageName: String) =
+    getPackageInfo(packageName, GET_SERVICES).services
+
+fun PackageManager.receivers(packageName: String) =
+    getPackageInfo(packageName, GET_RECEIVERS).receivers
+
+fun PackageManager.providers(packageName: String) =
+    getPackageInfo(packageName, GET_PROVIDERS).providers

app/src/main/java/com/topjohnwu/magisk/utils/XBinding.kt

@@ -0,0 +1,8 @@
+package com.topjohnwu.magisk.utils
+
+import com.skoumal.teanity.util.KObservableField
+
+
+fun KObservableField<Boolean>.toggle() {
+    value = !value
+}